제출 #1023001

#제출 시각아이디문제언어결과실행 시간메모리
1023001vjudge1죄수들의 도전 (IOI22_prison)C++17
0 / 100
1 ms348 KiB
#include <bits/stdc++.h> using namespace std; std::vector<std::vector<int>> devise_strategy(int N){ vector<vector<int>> s(10 * 3, vector<int>(N + 1, 0)); for(int x = 0; x < s.size(); x++){ int k = 9 - x / 3; if(x % 3 == 0){ s[x][0] = 0; for(int i = 1; i <= N; i++){ s[x][i] = x + 1; if(i & (1<<k)) s[x][i]++; } } else{ s[x][0] = 1; for(int i = 1; i <= N; i++){ bool c = i & (1<<k); if(k){ if(x%3 - 1 > c) s[x][i] = -2; else if(x % 3 < c) s[x][i] = -1; else s[x][i] = (x / 3 + 1) * 3; } else{ if(x%3 - 1 > c) s[x][i] = -2; else s[x][i] = -1; } } } } return s; }

컴파일 시 표준 에러 (stderr) 메시지

prison.cpp: In function 'std::vector<std::vector<int> > devise_strategy(int)':
prison.cpp:6:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    6 |  for(int x = 0; x < s.size(); x++){
      |                 ~~^~~~~~~~~~
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