Submission #1237356

#	Time	Username	Problem	Language	Result	Execution time	Memory
1237356		atsoukalas	Kutije (COCI21_kutije)	C++20	20 / 70	1095 ms	1392 KiB

Main

#include <bits/stdc++.h>
using namespace std;

vector<int> Adj[1005];
bool V[1005];

int main() {
    int N, M, q;
    scanf("%d%d%d", &N, &M, &q);

    for(int i=0;i<M;++i){
        for(int j=1;j<=N;++j){
            int tmp; scanf("%d", &tmp);
            bool exists=false;
            for(int k=0;k<Adj[j].size();++k){
                if(Adj[j][k]==tmp||j==tmp) exists = true;
            }
            if(!exists) Adj[j].push_back(tmp);
        }
    }
    
    for(int i=0; i<q; ++i){
        int S, G; scanf("%d%d", &S, &G);
        queue<int> Q;
        Q.push(S);
        V[S] = true;
        while(!Q.empty()){
            int curr = Q.front(); Q.pop();
            if(curr==G) {
                V[G] = true;
                break;
            }
            for(int j=0; j<Adj[curr].size();++j){
                if(!V[Adj[curr][j]]){
                    Q.push(Adj[curr][j]);
                    V[Adj[curr][j]] = true;
                }
            }
        }
        if(V[G]) printf("DA\n");
        else printf("NE\n");
        fill(V, V+N+1, false);
    }

    return 0;
}

Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.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, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~
Main.cpp:13:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |             int tmp; scanf("%d", &tmp);
      |                      ~~~~~^~~~~~~~~~~~
Main.cpp:23:24: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   23 |         int S, G; scanf("%d%d", &S, &G);
      |                   ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 0 / 15
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 35