Submission #2197775

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Source Code Expand

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

#define MAX 100001
vector<int> V[MAX];
int dp[MAX][11], color[MAX];

int main(void) {
    int i, n, m, q;
    scanf("%d%d", &n, &m);
    for(i=0; i<m; i++) {
        int a, b;
        scanf("%d%d", &a, &b);
        V[a].emplace_back(b);
        V[b].emplace_back(a);
    }

    scanf("%d", &q);
    for(i=1; i<=q; i++) {
        int v, d;
        scanf("%d%d%d", &v, &d, color+i);
        dp[v][d] = i;
    }

    for(i=9; i>=0; i--) {
        for(int j=1; j<=n; j++) {
            dp[j][i] = max(dp[j][i], dp[j][i+1]);
            for(int next : V[j]) {
                dp[j][i] = max(dp[j][i], dp[next][i+1]);
            }
        }
    }

    for(i=1; i<=n; i++) printf("%d\n", color[dp[i][0]]);
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:12:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
                          ^
./Main.cpp:15:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &a, &b);
                              ^
./Main.cpp:20:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &q);
                    ^
./Main.cpp:23:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d", &v, &d, color+i);
                                         ^

Judge Result