Submission #1194715

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Source Code Expand

#include <bits/stdc++.h>

#define FI(i,a,b) for(int i=(a);i<=(b);i++)
#define FD(i,a,b) for(int i=(a);i>=(b);i--)

#define LL long long
#define Ldouble long double
#define PI 3.1415926535897932384626

#define PII pair<int,int>
#define PLL pair<LL,LL>
#define mp make_pair
#define fi first
#define se second

using namespace std;

int n, m, q, val[11][100005];
int col[100005];

vector<int> v[100005];

int main(){
	scanf("%d %d", &n, &m);
	FI(i, 1, m){
		int a, b;
		scanf("%d %d", &a, &b);
		v[a].push_back(b);
		v[b].push_back(a);
	}
	scanf("%d", &q);
	FI(i, 1, q){
		int v, d, c;
		scanf("%d %d %d", &v, &d, &c);
		col[i] = c;
		val[d][v] = i;
	}
	FD(i, 9, 0){
		FI(j, 1, n){
			val[i][j] = max(val[i][j], val[i + 1][j]);
			for(auto to: v[j]){
				val[i][j] = max(val[i][j], val[i + 1][to]);
			}
		}
	}
	FI(i, 1, n) printf("%d\n", col[val[0][i]]);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:24:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &m);
                        ^
./Main.cpp:27:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &a, &b);
                         ^
./Main.cpp:31:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &q);
                 ^
./Main.cpp:34:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &v, &d, &c);
                                ^

Judge Result