제출 #730991

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
730991		vjudge1	Emacs (COCI20_emacs)	C++14	50 / 50	1 ms	308 KiB

emacs

#include<iostream>
#include<vector>
#include<iomanip>
#include<algorithm>
#include<map>
#include<set>
#include<climits>
#include<numeric>
#include<queue>
#include<unordered_map>
#include<string>
#include<climits>
#include<unordered_set>
#include<bitset>
#include<cstring>
#include<cmath>
#include<stack>
#if 1
#define pb push_back
#define st first
#define nd second
#define endl '\n'
#define fio ios_base::sync_with_stdio(false);cin.tie(NULL);
#define MAXN ((int)(2e5+5))
#define int long long int
using namespace std;
const int inf = 1e17 + 5;
#endif

void fileio(string s){
    #ifndef ONLINE_JUDGE
        freopen((s+string(".in")).c_str(),"r",stdin);
        freopen((s+string(".out")).c_str(),"w",stdout);
    #endif
}


signed main(){
    //fileio("test");
    //fio; 
    int n, m;
    cin >> n >> m;
    char grid[n + 1][m + 1];
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= m; ++j){
            cin >> grid[i][j];
        }
    }
    bool ok = true;
    int ans = 0;
    for(int i = 1; i <= n; ++i){
        for(int j = 1; j <= m; ++j){
            if(grid[i][j] == '.')ok = true;
            else{
                if(ok and grid[i-1][j] != '*'){
                    ans++;
                    ok = false;
                }
            }
        }
    }
    cout << ans << endl;

}

컴파일 시 표준 에러 (stderr) 메시지

emacs.cpp: In function 'void fileio(std::string)':
emacs.cpp:32:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   32 |         freopen((s+string(".in")).c_str(),"r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
emacs.cpp:33:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |         freopen((s+string(".out")).c_str(),"w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 50 / 50