Submission #1195354

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Source Code Expand

#include <cstdio>
int v[100010], d[100010], c[100010];
int x[100010], y[100010];
int ti[100010][11];
void upd(int &z, int t) {
	if (z < t) z = t;
}
int main() {
	int n, m;
	scanf("%d%d", &n, &m);
	for (int i = 0; i < m; i++) {
		scanf("%d%d", &x[i], &y[i]);
		--x[i]; --y[i];
	}
	int q;
	scanf("%d", &q);
	for (int i = 0; i < q; i++) {
		scanf("%d%d%d", &v[i], &d[i], &c[i+1]);
		--v[i];
		upd(ti[v[i]][d[i]], i+1);
	}
	for (int i = 10; i > 0; i--) {
		for (int j = 0; j < m; j++) {
			upd(ti[x[j]][i-1], ti[y[j]][i]);
			upd(ti[y[j]][i-1], ti[x[j]][i]);
		}
	}
	for (int i = 0; i < n; i++) {
		int z = 0;
		for (int j = 0; j <= 10; j++) {
			upd(z, ti[i][j]);
		}
		printf("%d\n", c[z]);
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:10:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
                       ^
./Main.cpp:12:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d", &x[i], &y[i]);
                              ^
./Main.cpp:16:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &q);
                 ^
./Main.cpp:18:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &v[i], &d[i], &c[i+1]);
                                         ^

Judge Result