제출 #1148982

#제출 시각아이디문제언어결과실행 시간메모리
1148982blackslexPoi (IOI09_poi)C++20
35 / 100
219 ms16232 KiB
#include<bits/stdc++.h> using namespace std; using tp = tuple<int, int, int>; int n, m, p; int main() { scanf("%d %d %d", &n, &m, &p); vector<vector<int>> a(n + 5, vector<int>(m + 5)); vector<int> cnt(m + 5), cnt2(n + 5); for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { scanf("%d", &a[i][j]); cnt[j] += 1 - a[i][j]; cnt2[i] += a[i][j]; } } vector<int> b(n); vector<tp> c; for (int i = 1; i <= n; i++) { for (int j = 1; j <= m; j++) { b[i] += cnt[j] * a[i][j]; } c.emplace_back(b[i], cnt2[i], -i); } sort(c.rbegin(), c.rend()); int ans = -1; for (int i = 0; i < n; i++) { if (get<2>(c[i]) == -p) ans = i; } printf("%d %d", get<0>(c[ans]), ++ans); }

컴파일 시 표준 에러 (stderr) 메시지

poi.cpp: In function 'int main()':
poi.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf("%d %d %d", &n, &m, &p);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp:14:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |             scanf("%d", &a[i][j]);
      |             ~~~~~^~~~~~~~~~~~~~~~
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