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제출 #1111554

#제출 시각아이디문제언어결과실행 시간메모리
1111554SalihSahin자리 배치 (IOI18_seats)C++14
11 / 100
4066 ms40760 KiB
#include <bits/stdc++.h> #define pb push_back #include "seats.h" using namespace std; vector<pair<int, int> > pos; void give_initial_chart(int H, int W, vector<int> R, vector<int> C){ pos.resize(H * W); for(int i = 0; i < H; i++){ for(int j = 0; j < W; j++){ pos[i*W + j] = {R[i * W + j], C[i * W + j]}; } } } int swap_seats(int a, int b) { swap(pos[a], pos[b]); int mnx = pos.size(), mxx = 0, mny = pos.size(), mxy = 0; int ans = 0; for(int i = 0; i < pos.size(); i++){ mnx = min(mnx, pos[i].second); mxx = max(mxx, pos[i].second); mny = min(mny, pos[i].first); mxy = max(mxy, pos[i].first); if((mxx - mnx + 1) * (mxy - mny + 1) == (i + 1)){ ans++; } } return ans; }

컴파일 시 표준 에러 (stderr) 메시지

seats.cpp: In function 'int swap_seats(int, int)':
seats.cpp:23:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   23 |   for(int i = 0; i < pos.size(); i++){
      |                  ~~^~~~~~~~~~~~
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