제출 #1279776

#제출 시각아이디문제언어결과실행 시간메모리
1279776SSKMF은행 (IZhO14_bank)C++20
100 / 100
224 ms5568 KiB
#include <bits/stdc++.h> using namespace std; int necesar[21] , suma[1 << 20]; bool posibil[1 << 20]; int main () { ios :: sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); int cantitate[2]; cin >> cantitate[0] >> cantitate[1]; for (int indice = 1 ; indice <= cantitate[0] ; indice++) { cin >> necesar[indice]; } for (int indice = 0 , termen ; indice < cantitate[1] ; indice++) { cin >> termen; for (int masca = 0 ; masca < (1 << (cantitate[1] - 1)) ; masca++) { suma[(masca & ((1 << indice) - 1)) | (1 << indice) | ((masca >> indice) << (indice + 1))] += termen; } } posibil[0] = true; for (int indice = 1 , actual = 0 ; indice <= cantitate[0] ; indice++) { for (int masca = 1 ; masca < (1 << cantitate[1]) ; masca++) { for (int __masca = masca ; __masca ; __masca ^= (__masca & -__masca)) { posibil[masca] |= posibil[masca ^ (__masca & -__masca)]; } } actual += necesar[indice]; for (int masca = 0 ; masca < (1 << cantitate[1]) ; masca++) { posibil[masca] &= (suma[masca] == actual); } } bool gasit = false; for (int masca = 1 ; masca < (1 << cantitate[1]) ; masca++) { gasit |= posibil[masca]; } cout << (gasit ? "YES" : "NO"); return 0; }
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