제출 #413134

#제출 시각아이디문제언어결과실행 시간메모리
413134atoiz비스킷 담기 (IOI20_biscuits)C++14
9 / 100
1089 ms332 KiB
#include "biscuits.h" #include <numeric> #include <cstdio> long long count_tastiness(long long x, std::vector<long long> a) { a.resize(20); long long res = 0; for (long long i = 0; i <= 100000; ++i) { long long c = 0, b = 1, p = i; for (long long j = 0; j < (long long) a.size(); ++j) { c += a[j]; if ((p >> j) & 1) { p ^= 1 << j; c -= x; if (c < 0) b = 0; } // if (i == 8) fprintf(stderr, "%lld: %lld\n", j, c); c /= 2; } if (p) b = 0; res += b; // if (b) fprintf(stderr, "%df\n", i); } return res; }
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