#include <bits/stdc++.h> using namespace std; uint32_t n; bitset<32> V[3]; uint32_t v[3]; uint32_t r[3]; uint32_t res; bool check(uint32_t num){ for(int i = 0; i < 3; i++){ if(__builtin_popcount(v[i] ^ num) <= r[i]) return true; } return false; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cin >> n; if(n > 60){ cout << "RIP\n"; } for(int i = 0; i < 3; i++){ cin >> r[i] >> V[i]; v[i] = V[i].to_ulong(); } for(uint32_t p = 0; p < (uint32_t)(1 << n); p++){ if(check(p)){ res++; } } cout << res; return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #include <bits/stdc++.h> using namespace std; uint32_t n; bitset<32> V[3]; uint32_t v[3]; uint32_t r[3]; uint32_t res; bool check(uint32_t num){ for(int i = 0; i < 3; i++){ if(__builtin_popcount(v[i] ^ num) <= r[i]) return true; } return false; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); cin >> n; if(n > 60){ cout << "RIP\n"; } for(int i = 0; i < 3; i++){ cin >> r[i] >> V[i]; v[i] = V[i].to_ulong(); } for(uint32_t p = 0; p < (uint32_t)(1 << n); p++){ if(check(p)){ res++; } } cout << res; return 0; } |