제출 #705610

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
705610	2023-03-04 19:26:11	Username4132	Kutije (COCI21_kutije)	C++14	70 / 70	229 ms	13920 KiB

Main

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#include<iostream>
#include<vector>
using namespace std;
#define forn(i, n) for(int i=0; i<(int)n; ++i)
#define PB push_back
const int MAXN=1010;
int n, m, q, com[MAXN], stat;
vector<int> g[MAXN];
void dfs(int v){
    com[v]=stat;
    for(auto to:g[v]) if(!com[to]) dfs(to);
}
int main(){
    scanf("%d %d %d", &n, &m, &q);
    forn(f, m) forn(i, n){
        int a; scanf("%d", &a);
        g[a-1].PB(i);
    }
    forn(i, n) if(!com[i]) ++stat, dfs(i);
    forn(i, q){
        int a, b; scanf("%d %d", &a, &b);
        printf("%s", com[a-1]==com[b-1]? "DA\n" : "NE\n");
    }
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'int main()':
Main.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   17 |     scanf("%d %d %d", &n, &m, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:19:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   19 |         int a; scanf("%d", &a);
      |                ~~~~~^~~~~~~~~~
Main.cpp:24:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   24 |         int a, b; scanf("%d %d", &a, &b);
      |                   ~~~~~^~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 35 / 35