제출 #423299

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
423299	2021-06-10 23:04:55	antimirage	Bomb (IZhO17_bomb)	C++14	52 / 100	963 ms	75104 KiB

bomb

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/*
 *  let's for fixed width X find the maximum valid height Y, denote it by ans[X]. 
 *  upper bound of Y for every X is ans[1].
 *   
*/
#include <iostream>
#include <vector>
#include <algorithm>
#include <assert.h>
using namespace std;
int main() {
    int n, m, res = 0;
    cin >> n >> m;
    vector <vector <int>> a(n + 5, vector<int>(m + 5, 0));
    for (int i = 1; i <= n; i++) {
        scanf("\n");
        for (int j = 1; j <= m; j++) {
            char ch;
            scanf("%c", &ch);
            a[i][j] = ch - 48;
        }
    }
    vector <vector <int>> up(n + 5, vector<int>(m + 5, 0));
    vector <vector <int>> dn(n + 5, vector<int>(m + 5, 0));
    
    for (int j = 1; j <= m; j++) {
        for (int i = 1; i <= n; i++) {
            up[i][j] = a[i][j] ? up[i - 1][j] + 1 : 0;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

bomb.cpp: In function 'int main()':
bomb.cpp:18:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |         scanf("\n");
      |         ~~~~~^~~~~~
bomb.cpp:21:18: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |             scanf("%c", &ch);
      |             ~~~~~^~~~~~~~~~~

• Subtask 1: 52 / 100