C ++ 11
Pembaruan kecil lebih lanjut: Jangan menambahkan terlalu sedikit, dan coba semua nomor formulir A * B + C. Saya percaya bahwa, dalam batas waktu, ini cukup dekat dengan optimal, dengan asumsi Anda hanya menggunakan +, *dan !. Saya meninggalkan operator lain kepada orang-orang dengan waktu lebih banyak daripada saya!
Pembaruan kecil: Berusaha lebih keras untuk menggunakan faktorial dan angka seperti 11 .... 111. Juga memperbaiki bug yang tidak !saya hitung dalam penetapan biaya
Hasil baru:
Skor Utama = 3.810.660
Skor Sekunder = 12/09/2016 20:00
2532 1s, 1505 operator.
Berbagai trik disatukan. Program saya mulai dengan mengatur program terpendek untuk semua faktorial dan angka dari formulir 111..111 (Saya tidak berpikir ini melanggar aturan pengkabelan, karena ini adalah cara terpendek untuk membuat angka-angka ini. Saya bisa mengatur ulang kode saya jadi saya memeriksa pola-pola ini di pemrograman dinamis saya jika Anda mau). Kemudian lakukan pendekatan pemrograman dinamis parsial, dengan mencoba berbagai bentuk:
- A + B
- A * B + C
- SEBUAH! + B
- 11 .... 11 + B
Sayangnya saya tidak dapat mencoba semua cara penguraian angka, jadi saya memilih untuk faktorial dan 11 ... 11 untuk hanya mencoba angka terdekat, untuk A + B untuk mencoba hal-hal di dekat A / 2, dan untuk A * B + C untuk mencoba As hanya cukup kecil.
Akan mudah untuk memperpanjang ini untuk mencoba beberapa '-'s, dengan mencoba untuk melampaui sedikit kadang-kadang (khususnya di A * B - C), tetapi saya cukup suka hanya mencoba untuk tumbuh.
Juga, sangat sulit untuk mengoptimalkan kondisi optimisasi (saya tidak suka itu!) Karena pada prinsipnya Anda tidak dapat memberikan nilai 'terbaik' untuk setiap angka secara terpisah, Anda harus mempertimbangkan set jawaban Anda secara global (yang saya tidak ingin lakukan).
Peringatan: Program ini membutuhkan mesin 64-bit, dan memori sekitar 10GB (karena saya tidak efisien membuat array raksasa untuk semua hasil yang dihitung sebagian).
Program:
#include <algorithm>
#include <vector>
#include <string>
#include <assert.h>
#include <iostream>
#include <cmath>
std::vector<int> numints;
std::vector<int> numops;
std::vector<std::string> strings;
void fill_all_ones(long maxval)
{
int val = 1;
int len = 1;
std::string name = "1";
while(val < maxval) {
val = val * 10 + 1;
len++;
name = name + "1";
numints[val] = len;
strings[val] = name;
}
}
void get_best_for_next_full(long i);
// let's just assume this is the best way to make factorials
void fill_all_factorials(long maxval)
{
// skip 1 and 2
long result = 6;
long val = 3;
while(result < maxval) {
get_best_for_next_full(val);
strings[result] = "(" + strings[val] + ")!";
numints[result] = numints[val];
numops[result] = numops[val] + 1;
val++;
result = result * val;
}
}
long get_nearest_all_ones(long i)
{
int val = 11;
int prevval = 1;
while(val < i) {
prevval = val;
val = val * 10 + 1;
}
return prevval;
}
long get_nearest_factorial(long i)
{
int val = 6;
int prevval = 2;
int step = 3;
while(val < i) {
prevval = val;
step++;
val = val * step;
}
return prevval;
}
int getlen(long i);
void get_best_for_next_full(long i)
{
if(numints[i] > 0)
return;
int best = INT_MAX; // we'll do better than this
std::string beststring = "invalid2";
int ones = -1;
int ops = -1;
for(long loop = 1; loop <= i/2; loop++)
{
int new_val = getlen(loop) + getlen(i - loop);
if(new_val < best) {
best = new_val;
ones = numints[loop] + numints[i - loop];
beststring = "(" + strings[loop] + "+" + strings[i - loop] + ")";
ops = numops[loop] + numops[i - loop] + 1;
}
}
for(long loop = 2; loop * loop <= i; loop++)
{
long divisor = i / loop;
long rem = i - loop*divisor;
assert(rem >= 0);
int new_val;
if(rem == 0)
{
new_val = getlen(divisor) + getlen(loop);
}
else
{
new_val = getlen(divisor) + getlen(rem) + getlen(loop);
}
if(new_val < best) {
best = new_val;
if(rem == 0) {
ones = numints[divisor] + numints[loop];
beststring = "(" + strings[divisor] + "*" + strings[loop] + ")";
ops = numops[divisor] + numops[loop] + 1;
} else {
ones = numints[divisor] + numints[loop] + numints[rem];
beststring = "(" + strings[divisor] + "*" + strings[loop] + "+" + strings[rem] + ")";
ops = numops[divisor] + numops[loop] + numops[rem] + 2;
}
}
}
numints[i] = ones;
strings[i] = beststring;
numops[i] = ops;
}
void check_divising(const long i, const long loop, long& best, long& ones, std::string& beststring, long& ops);
void check_adding(const long i, const long loop, long& best, long& ones, std::string& beststring, long& ops);
void get_best_for_next_partial(long i)
{
if(numints[i] > 0)
return;
long best = INT_MAX; // we'll do better than this
long ones = 1;
std::string beststring = "invalid";
long ops = 1;
// Special: Try a nearby all ones
{
long loop = get_nearest_all_ones(i);
check_adding(i, loop, best, ones, beststring, ops);
}
// Special: Try nearest factorial
{
long loop = get_nearest_factorial(i);
check_adding(i, loop, best, ones, beststring, ops);
}
for(long loop = 2; loop * loop <= i; loop++)
{
check_divising(i, loop, best, ones, beststring, ops);
}
numints[i] = ones;
strings[i] = beststring;
numops[i] = ops;
}
void check_adding(const long i, const long loop, long& best, long& ones, std::string& beststring, long& ops)
{
int new_val = getlen(loop) + getlen(i - loop);
if(new_val < best) {
best = new_val;
ones = numints[loop] + numints[i - loop];
beststring = "(" + strings[loop] + "+" + strings[i - loop] + ")";
ops = numops[loop] + numops[i - loop] + 1;
}
}
void check_divising(const long i, const long loop, long& best, long& ones, std::string& beststring, long& ops)
{
long divisor = i / loop;
long rem = i - loop*divisor;
assert(rem >= 0);
int new_val;
if(rem == 0)
{
new_val = getlen(divisor) + getlen(loop);
}
else
{
new_val = getlen(divisor) + getlen(rem) + getlen(loop);
}
if(new_val < best) {
best = new_val;
if(rem == 0) {
ones = numints[divisor] + numints[loop];
beststring = "(" + strings[divisor] + "*" + strings[loop] + ")";
ops = numops[divisor] + numops[loop] + 1;
}
else {
ones = numints[divisor] + numints[loop] + numints[rem];
beststring = "(" + strings[divisor] + "*" + strings[loop] + "+" + strings[rem] + ")";
ops = numops[divisor] + numops[loop] + numops[rem] + 2;
}
}
}
long count = 0;
long countops = 0;
const int little_cutoff = 200000;
int getlen(long i)
{
if(numints[i] == 0) {
if(i < little_cutoff)
get_best_for_next_full(i);
else
get_best_for_next_partial(i);
}
if(numints[i] == 0) {
std::cout << i << " failure!" << numops[i] << ":" << strings[i] << std::endl;
exit(1);
}
return numints[i] + numops[i];
}
const std::vector<long> vals = {945536, 16878234, 32608778, 42017515, 48950830, 51483452, 52970263, 54278649, 63636656, 78817406, 89918907, 90757642, 95364861, 102706605, 113965374, 122448605, 126594161, 148064959, 150735075, 154382918, 172057472, 192280850, 194713795, 207721209, 220946392, 225230299, 227043979, 241011012, 248906099, 249796314, 250546528, 258452706, 276862988, 277140688, 280158490, 286074562, 308946627, 310972897, 322612091, 324445400, 336060042, 346729632, 349428326, 352769482, 363039453, 363851029, 392168304, 401975104, 407890409, 407971913, 425780757, 459441559, 465592122, 475898732, 482826596, 484263150, 506235403, 548951531, 554295842, 580536366, 587051904, 588265985, 588298051, 590968352, 601194306, 607771869, 618578932, 626776380, 667919873, 681786366, 689854904, 692055400, 697665495, 711608194, 734027104, 750869335, 757710567, 759967747, 777616154, 830071127, 833809927, 835873060, 836438554, 836945593, 863728236, 864158514, 871273503, 881615667, 891619600, 897181691, 918159061, 920521050, 924502226, 929983535, 943162304, 950210939, 950214176, 962610357, 974842859, 988572832};
const long biggest = 988572832;
int main(void)
{
numints.push_back(2);
strings.push_back("(1-1)");
numops.push_back(1);
numints.push_back(1);
strings.push_back("1");
numops.push_back(0);
numints.push_back(2);
strings.push_back("(1+1)");
numops.push_back(1);
numints.resize(biggest + 1);
strings.resize(biggest + 1);
numops.resize(biggest + 1);
fill_all_ones(biggest);
fill_all_factorials(biggest);
for(long i = 0; i < little_cutoff; ++i)
get_best_for_next_full(i);
for(long v : vals) {
get_best_for_next_partial(v);
std::cout << v << ":" << strings[v] << "\n";
count += numints[v];
countops += numops[v];
}
std::cout << count << ":" << countops << ":" << count * countops << "\n";
}
Hasil:
945536:((1111*(1+(11+11))+(1+1))*((1+11)*(1+(1+1))+1)+1)
16878234:(((1+(1+1111))*(1+(1+(1+111)))+(11+11))*((1+11)*11+1)+(1+1))
32608778:((((((1+(1+1)))!+(111+11111))*(11*11)+111)*(1+11)+1)*(1+1))
42017515:((11)!+((((1+111)*11)*11+1)*((1+11)*(1+11)+11)))
48950830:((((11+11)*(1+11))+(11111*(1+(1+1))))*((1+111)*(1+(1+11))+1)+1)
51483452:(((1+(1+1111))*(1+111)+1)*(11+(((1+11)*11+(1+1))*(1+(1+1))))+111)
52970263:((11+((1111*11+(1+(1+1)))*(1+(1+1))))*(111*(1+(1+11))+1)+11)
54278649:((11)!+(((1+(11+(11+(11+1111))))*111+1)*(1+(1+111))+1))
63636656:((((11+111)*(1+(1+1)))*(1+111)+11)*(1+(111+((((1+(1+1)))!)!*(1+1)))))
78817406:(((((111*(11+11)+1)*(1+1))*(1+111)+111)*(1+11)+1)*(1+11)+(1+1))
89918907:(((111+((1+(1+((1+(1+1)))!)))!)*(1+1))*(1+1111)+((11*11)*(1+(1+1))))
90757642:((1111+((11+11111)*(1+1)))*(111*(11+((1+(1+(1+1))))!)+1)+(1+111))
95364861:((11)!+(((((((11+11)*11)+11111)*111)*11+(1+1))*(1+1))*(1+1)+1))
102706605:(((11)!+(((111+((11*11)*11))*(1+(((1+(1+1)))!)!))*11))*(1+1)+1)
113965374:((((111*(1+(1+(1+11))))*1111+((1+(11+11))*11+1))*11+1)*((1+(1+1)))!)
122448605:(((((1+(1+1)))!)!+((111*11)*11))*((1+(((1+(1+1)))!)!)*(1+11)+1)+(1+1))
126594161:(((((11*11)+(((1+(1+1)))!)!)*(1+111))*(1+11)+1)*(1+111)+1)
148064959:((11)!+(((111*111+(1+11))*111+1)*((1+(1+11))*((1+(1+1)))!+1)+(1+(1+1))))
150735075:(((111*111+(1+1))*(1+1111)+(1+11))*11+(1+((1+(1+1)))!))
154382918:((1111*(1+11)+1)*(((1+(11+(111+111)))*(1+1))+11111)+111)
172057472:((((((1+11)*11)*11+1)*(1+(1+1)))+11111)*(11+11111)+((1+11)*11))
192280850:(((11111*(1+11)+11)*(1+(((1+(1+1)))!)!)+(11+111))*(1+1))
194713795:((11)!+((((111+11111)*(1+(1+(1+111)))+((1+(1+1)))!)*11)*11+1))
207721209:(((111*111)*(1+(11+11))+(1+1))*(1+(1+(11+(((1+(1+1)))!)!)))+(1+(1+(1+1))))
220946392:((11)!+((((1+(1+(1+1111)))*(11+111))*111+11)*(1+11)+(1+(1+(1+1)))))
225230299:((111111111+((111*111+(1+((1+(1+1)))!))*(11+111)+(11+11)))*(1+1)+1)
227043979:((((((11+11)*11)+11111)*(1+(1+1))+1)*1111+(1+(1+1)))*((1+(1+1)))!+1)
241011012:(((11)!+((11)!+((11)!+((11+1111)*((1+111)*((1+(1+1)))!+1)))))*(1+1))
248906099:(((11111+(((((1+(1+1)))!)!*111)*(1+1)))*(1+111)+111)*(1+(1+11)))
249796314:(((11)!+(((((1+(1+1)))!)!+((1+1111)*(1+11)))*(11+111)+111))*((1+(1+1)))!)
250546528:((11)!+(((111*111)*(1+(1+(1+11)))+11)*(111*11)+(1+(11+1111))))
258452706:(((11)!+(((((1+(1+1)))!)!*((1+(1+1)))!+1)*(11+(((1+(1+1)))!)!)))*((1+(1+1)))!)
276862988:(((11+(1111*(1+1)))*(((1+(1+1)))!+1111))*111+(((1+(1+1)))!+11))
277140688:(((111*111+(1+(1+(1+(1+11)))))*(1+1))*(11+(111+11111))+(1+111))
280158490:((11)!+(((1+(111+111111))*(((1+(1+1)))!)!+(1+(1+1)))*(1+(1+1))+1))
286074562:(((11)!+((((11+1111)*(11+11))*(1+1)+1)*(1+(11+1111))))*(1+(1+1))+1)
308946627:((11)!+((((1+1111)*(((1+(1+1)))!)!+((11+11)*(1+1)))*(1+111)+1)*(1+(1+1))))
310972897:((11111*(1+(1+1))+1)*(((1111+(111*11))*(1+1))*(1+1)+1)+11)
322612091:((((((1+11)*(1+11))*(1+11)+(1+1))*111+1)*(1+111))*(1+(1+(1+(1+11))))+11)
324445400:(((1111111+(1+(1+1)))*(1+1))*((1+11)*(1+11)+(1+1))+(1+111))
336060042:(((1+1111)*(1+(11+111))+(1+111))*(11+((111*11+1)*(1+1)))+(1+1))
346729632:(((1+(1+(11111+(111*111))))*((1+111)*11+1)+(1+(1+(1+11))))*(1+11))
349428326:(((((11+11)*11)*11+1)*(1+1111)+1)*(1+(((1+(1+1)))!+111)))
352769482:(((1+11111)*(111*(11+11))+((11+111)*((1+1)*(1+1)+1)))*(1+(1+11)))
363039453:(((((1+111)*(1+111)+1)*(1+1))*(1+(1+11))+11)*(1+(1+1111)))
363851029:((((111*11+1)*1111+11)*((1+11)*11+(1+1))+(1+11))*(1+1)+1)
392168304:(((((1+(1+1111))*(1+111))*11+1)*(1+(1+11))+11)*(11+11))
401975104:(((((1+11)*(1+11)+1)*111)*111+11)*((1+111)*(1+1)+1)+(1+(1+(1+1))))
407890409:(((1+11111)*11)*((1+1111)*(1+(1+1))+1)+((1+1111)*(1+1)+1))
407971913:((11)!+((11)!+(((1+(1+11111))*(1+1)+1)*(((11+111)*11)*11+1)+(1+1111))))
425780757:(((1111+((((1+11)*11)+11111)*(1+(1+1))))*11+1)*1111+((1+(1+1)))!)
459441559:(((11111+(((1+(1+111))*(1+1)+1)*111))*111+1)*(1+(1+(1+111)))+(1+(1+11)))
465592122:(((11)!+((((1111*(11*(1+(1+1))+1)+1)*(1+(11+11)))*(1+1)+1)*111))*(1+1))
475898732:(((11)!+(((((1+111)*11+(1+1))*(1+11))*(1+1)+1)*(1+(1+111))))*11+1)
482826596:(((1+(((111*11)*11)+(11111*(1+1))))*111+1)*(11+111)+((1+(1+1)))!)
484263150:(((111*111+(1+(1+1)))*111+11)*(1+(111+((11+11)*11))))
506235403:(((1+11))!+((((1+(1+1111))*(1+1111)+((11+111)*(1+1)))*11+1)*(1+1)+1))
548951531:((((111+111)*(1+1)+1)*111+11)*11111+((11+111)*(1+11)+1))
554295842:(((1+11))!+((((1+1111)*111+1)*((1+1)*(1+1)+1))*(11+111)+(1+111)))
580536366:(((1+(111+((111*111+11)*(1+11))))*(1+111)+1)*(11+((1+(1+(1+1))))!)+11)
587051904:(((((1+1111)*(1+11))*(1+(1+1))+1)*(111*11+1)+(111*((1+(1+1)))!))*(1+11))
588265985:(((1+11))!+((1+(111+(1111*(1+(1+11)))))*((1+111)*(11*((1+(1+1)))!+1)+(1+(1+1)))))
588298051:((((((11+111)*11)*11)+(11111*(1+(1+1))))*(1+1111)+1)*11)
590968352:(((((((1+(1+1)))!)!+11111)*111+(11+11))*((1+111)*(1+1)+1)+1)*(1+1))
601194306:((((1111*(1+(1+(1+(11+111))))+1)*111+(1+1))*(1+(1+1))+1)*(1+(1+11))+11)
607771869:(((1+11))!+(((11)!+(((1111*11+1)*(1+1))*(1+(11+111))+11))*(1+(1+1))))
618578932:(((((1111*111)*11+1)*(1+1)+1)*(1+1))*(1+(1+(1+111)))+(1+111))
626776380:((((1+(1+(1+1))))!+((((1+(1+1)))!)!+(1111*111)))*(1+(11+((1+((1+(1+1)))!))!)))
667919873:((((((1+(11+111))*11+1)*111+(1+(1+1)))*1111+1)*(1+1))*(1+1)+1)
681786366:(((1+11))!+((11)!+(((11)!+((11)!+((1+(1+11111))*((1+11)*(1+11))+111)))*(1+1))))
689854904:(((11+((11111+((1+1111)*11))*(1+1)))*((11+111)*11+1)+11)*11+(1+1))
692055400:(((1+11))!+(((((1+(1+111))*(1+(1+(1+11))))*11)*11+1)*(1+(1+1111))+1))
697665495:(((1+11))!+(((((((1+(1+1)))!)!*(1+(1+(1+111)))+1)*(1+11))*(1+1)+1)*111))
711608194:(((11)!+(((1+(1+(1+(1+1111))))*(11+((11+111)*(1+1)))+(1+1))*1111))*(1+1))
734027104:(((111*(11+((1+(1+(1+1))))!)+1)*(((1+(1+1)))!+11)+1)*11111+1111)
750869335:((11111111+((1+(((1+(1+1)))!)!)*((1+11)*11+1)+1))*(11*((1+(1+1)))!+1))
757710567:((((((11+111)*11)+111111)*(1+(1+1))+1)*(1+(11+1111))+(1+(1+1)))*(1+1)+1)
759967747:(((11)!+(((1+(1+(111+11111)))*(1+(1+111)))*(1+(11+11))+1))*11)
777616154:((11111*(111+(((111*11+1)*(1+1))*(1+1)))+(11+111))*(1+(1+(1+11))))
830071127:((((1+111)*111)*((1+(1+1)))!+1)*(((1+(1+1)))!+(11+11111))+(111*(1+1)+1))
833809927:((((11+1111)*(1+1)+1)*111+1)*(1+(1+(11+(1111*(1+(1+1))))))+111)
835873060:(((((11+(111+111))*111+1)*(1+(1+111))+1)*(1+(1+11))+1)*(11+11))
836438554:(((1+11))!+(((11111*(1+1)+1)*((11+(((1+(1+1)))!)!)*11+1)+1111)*(1+1)))
836945593:(((1111*1111+(1+111))*(1+(1+111))+(1+(1+1)))*((1+(1+1)))!+1)
863728236:(((1+(1111+((11+11111)*(1+1))))*(111*111+((1+(1+1)))!))*(1+(1+1)))
864158514:(((1+11))!+(((1111*(1+(1+(1+11)))+((1+(1+1)))!)*111+1)*(111*(1+1)+1)+11))
871273503:((((1+11111)*(11+11)+1)*((1+(1+11))*(1+1)+1)+1)*((1+11)*11)+111)
881615667:((11111+((111*111+11)*(1+1)))*((111*111)*(1+1)+1)+((11+1111)*11))
891619600:(((11)!+((11)!+((((1+(11+11))*(1+1))+111111)*11)))*11+(1+(1+1)))
897181691:((11+(11+(11+((1+(1+((1+(1+1)))!)))!)))*(11+(11111*(1+1)))+((111*11+1)*11))
918159061:(((11)!+(((11+11)*11+1)*(1+(1+11))))*(1+(11+11))+(1+(1+(1+1))))
920521050:(((11)!+((((1+(11+1111))*(1+(1+(1+1111))))*(1+111)+111)*(1+(1+1))))*(1+1))
924502226:((((1111*(1+11))*(1+1)+1)*((111*(1+11)+1)*(1+1)+1))*(1+(1+11))+11)
929983535:(((11)!+((((11+111)*111+1)*111)*((1+11)*(1+1)+1)+(1+1)))*(1+11)+11)
943162304:(((11)!+((((((1+((1+(1+1)))!))!+(111*111))*111+(1+1))*(1+111))*(1+1)))*(1+1))
950210939:(((11+(111+11111))*(1+(1+(1+(((1+(1+1)))!)!)))+(1+1))*(((1+(1+1)))!+111)+(1+1))
950214176:(((11)!+((((111*111)*(1+(1+11)))*11+1)*((1+(11+111))*(1+1)+1)))*(1+1))
962610357:((((1+11))!+((1+((((1+(1+1)))!)!+(111*(1+11))))*(11+1111)+(1+111)))*(1+1)+1)
974842859:((((((11*(1+((1+(1+1)))!))+1111)*11+1)*(1+111))*((1+(1+1)))!)*111+11)
988572832:(((111111111+((11111*(1+(1+1111))+11)*11+(1+(1+1))))*(1+1))*(1+1))