Submission #1195539

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Source Code Expand

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

#define FOR(i,l,r) for(int i = (int) (l);i < (int) (r);i++)
#define ALL(x) x.begin(),x.end()
template<typename T> bool chmax(T& a,const T& b){ return a < b ? (a = b,true) : false; }
template<typename T> bool chmin(T& a,const T& b){ return b < a ? (a = b,true) : false; }
typedef long long ll;

int N,M,Q;
vector<int> edge [100001];
pair<int,int> node [100001] [11];

int main()
{
	scanf("%d%d",&N,&M);
	FOR(i,0,M){
		int u,v;
		scanf("%d%d",&u,&v);
		edge [u].push_back(v);
		edge [v].push_back(u);
	}
	fill(node [0],node [N + 1],make_pair(0,0));
	scanf("%d",&Q);
	FOR(i,0,Q){
		int v,d,c;
		scanf("%d%d%d",&v,&d,&c);
		chmax(node [v] [d],make_pair(i + 1,c));
	}

	for(int i = 10;i > 0;i--){
		FOR(j,1,N + 1){
			for(const auto& it : edge [j]){
				chmax(node [it] [i - 1],node [j] [i]);
			}
		}
	}

	FOR(i,1,N + 1){
		int color = 0,mx = 0;
		FOR(j,0,11){
			if(mx < node [i] [j].first){
				mx = node [i] [j].first;
				color = node [i] [j].second;
			}
		}
		printf("%d\n",color);
	}

	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:16:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&N,&M);
                     ^
./Main.cpp:19:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&u,&v);
                      ^
./Main.cpp:24:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&Q);
                ^
./Main.cpp:27:27: 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