제출 #1234700

#제출 시각아이디문제언어결과실행 시간메모리
1234700rxlfd314죄수들의 도전 (IOI22_prison)C++20
36.50 / 100
11 ms1604 KiB
#include "prison.h" #include <bits/stdc++.h> using namespace std; using ll = long long; using ari2 = array<int, 2>; using ari3 = array<int, 3>; using arl2 = array<ll, 2>; using arl3 = array<ll, 3>; template <class T> using vt = vector<T>; #define all(x) begin(x), end(x) #define size(x) (int((x).size())) #define REP(a,b,c,d) for(int a=(b);(d)>0?a<=(c):a>=(c);a+=(d)) #define FOR(a,b,c) REP(a,b,c,1) #define ROF(a,b,c) REP(a,b,c,-1) vt<vt<int>> devise_strategy(int N) { const int LOG = 32 - __builtin_clz(N); vt<vt<int>> ret(3*LOG+1, vt<int>(N+1)); ret[0][0] = 0; FOR(i, 1, N) { ret[0][i] = LOG + (i >> (LOG-1) & 1) * LOG; } // inspect A FOR(i, 2*LOG+1, 3*LOG) { ret[i][0] = 0; int bit = i - 2*LOG - 1; FOR(j, 1, N) { ret[i][j] = 1 + LOG * (j >> bit & 1) + bit; } } // inspect B FOR(i, 1, LOG) { ret[i][0] = 1; FOR(j, 1, N) { if (j >> (i-1) & 1) ret[i][j] = -1; else ret[i][j] = 2*LOG + i-1; } } FOR(i, LOG+1, 2*LOG) { ret[i][0] = 1; FOR(j, 1, N) { if (j >> (i-1-LOG) & 1) ret[i][j] = 2*LOG + i-LOG-1; else ret[i][j] = -2; } } return ret; }
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