제출 #628912

#제출 시각아이디문제언어결과실행 시간메모리
628912daria죄수들의 도전 (IOI22_prison)C++17
0 / 100
1 ms212 KiB
#include "bits/stdc++.h" #include "prison.h" using namespace std; #define ll int vector<vector<int> > devise_strategy(int N) { vector<vector<int> > s(24, vector<int>(N+1, 0)); int v[6][4], mp[24], mp2[24], c = 1; for(int i=0; i<6; ++i){ for(int j=0; j<4; ++j){ if(i == 0 && j == 3 ){ v[i][j] = 0; } else{ mp[c] = j; v[i][j] = c++; } } } int ans[2] = {-1, -2}; s[0][0] = 1; for(int j=1; j<=N; ++j){ int bit = (j >> 11)%4; s[0][j] = v[0][bit]; } for(int i=1; i<24; ++i){ int k = i/4; s[i][0] = k%2; for(int j=1; j<=N; ++j){ int bit = (j >> (11-2*k))%4; if(bit > mp[i]) s[i][j] = ans[1-k%2]; if(bit < mp[i]) s[i][j] = ans[k%2]; if(bit == mp[i]){ if(k<5) s[i][j] = v[k+1][bit]; else if(j%2) s[i][j] = -1; else s[i][j] = -2; } } } for(int i=0; i<24; ++i){ for(int j=0; j<=N; ++j) cout << s[i][j] << " "; cout << endl; } return s; }

컴파일 시 표준 에러 (stderr) 메시지

prison.cpp: In function 'std::vector<std::vector<int> > devise_strategy(int)':
prison.cpp:9:23: warning: unused variable 'mp2' [-Wunused-variable]
    9 |  int v[6][4], mp[24], mp2[24], c = 1;
      |                       ^~~
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