제출 #1080373

#제출 시각아이디문제언어결과실행 시간메모리
1080373speedcodeRectangles (IOI19_rect)C++17
0 / 100
5 ms348 KiB
#include <bits/stdc++.h> using namespace std; long long count_rectangles(std::vector<std::vector<int>> a) { int n = a.size(); int m = a[0].size(); int valid[m]; for(int i = 0; i < m; i++) valid[i] = a[0][i] > a[1][i] && a[2][i] > a[1][i]; long long res = 0; for(int start = 1; start < m-1; start++){ int ma = a[1][start]; int end = start; while(end < m-1){ if(a[1][start-1] <= ma) break; if(a[1][end+1] <= ma) { end++; ma = max(ma, a[1][end]); continue; } if(!valid[end]) break; cout << start << ' ' << end << endl; res++; end++; ma = max(ma, a[1][end]); } } return res; }

컴파일 시 표준 에러 (stderr) 메시지

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:7:9: warning: unused variable 'n' [-Wunused-variable]
    7 |     int n = a.size();
      |         ^
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