Submission #82723

#	Time	Username	Problem	Language	Result	Execution time	Memory
82723		farukkastamonuda	Tales of seafaring (POI13_mor)	C++14	60 / 100	2452 ms	66560 KiB

mor

#include <bits/stdc++.h>
#define fi first
#define se second
#define lo long long 
#define inf 1000000009
#define md 1000000007
#define li 5005
#define mp make_pair
#define pb push_back
using namespace std;
int n,m,k,x,y,s,t,d,vis[2][li],dd[2][li],ans[1000005];
vector<int> v[li];
vector< pair<int, pair<int,int> > > quer[li];
queue< pair<int,int> > q;
void solve(int S){
	q.push(mp(0,S));
	memset(vis,0,sizeof(vis));
	for(int i=0;i<=1;i++){
		for(int j=1;j<=5000;j++){
			dd[i][j]=inf;
		}
	}
	while(!q.empty()){
		pair<int,int> temp=q.front();
		q.pop();
		int seh=temp.se;
		int cst=temp.fi;
		if(vis[cst%2][seh]==1) continue;
		vis[cst%2][seh]=1;
		dd[cst%2][seh]=cst;
		for(int i=0;i<(int)v[seh].size();i++){
			int go=v[seh][i];
			if(vis[(cst+1)%2][go]==0){
				q.push(mp(cst+1,go));
			}
		}
	}
	for(int i=0;i<(int)quer[S].size();i++){
		int git=quer[S][i].fi;
		int uzak=quer[S][i].se.fi;
		int ind=quer[S][i].se.se;
		if(vis[uzak%2][git]==1 && (int)v[git].size()==0) continue;
		if(vis[uzak%2][git]==1 && dd[uzak%2][git]<=uzak){
			ans[ind]=1;
		}
	}
}
int main(){
	scanf("%d %d %d",&n,&m,&k);
	for(int i=1;i<=m;i++){
		scanf("%d %d",&x,&y);
		v[x].pb(y);
		v[y].pb(x);
	}
	
	for(int i=1;i<=k;i++){
		scanf("%d %d %d",&s,&t,&d);
		quer[s].pb(mp(t,mp(d,i)));
	}
	for(int i=1;i<=n;i++){
		solve(i);
	}
	for(int i=1;i<=k;i++){
		if(ans[i]==1) printf("TAK\n");
		else printf("NIE\n");
	}
	return 0;
}

Compilation message (stderr)

mor.cpp: In function 'int main()':
mor.cpp:49:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d",&n,&m,&k);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~
mor.cpp:51:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&x,&y);
   ~~~~~^~~~~~~~~~~~~~~
mor.cpp:57:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&s,&t,&d);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10