#include<bits/stdc++.h>
#include<unordered_map>
#define F first
#define S second
using namespace std;
typedef long long ll;
typedef long double D;
const ll inf=(1ll<<61);
const ll mod=1e9+7;
const int MX=209;
int n,m,summoney,sumtime,vis[MX],x,y,t,c,vis1[MX][MX];
struct node{
int x,time,cost,par;
node(){}
node(int x,int time,int cost,int par):x(x),time(time),cost(cost),par(par){}
};
vector<node>v[MX];
vector<int>v1[MX];
bool cmp(node A,node B){
if(summoney==0){
return A.cost+A.time>B.cost+B.time;
}
return A.cost*sumtime+A.time*summoney>B.cost*sumtime+B.time*summoney;
}
vector<node>pq;
void pro(int x){
for(auto pp:v[x]){
if(vis[pp.x])continue;
pq.push_back(node(pp.x,pp.time,pp.cost,x));
}
}
int main(){
cin>>n>>m;
for(int i=0;i<m;i++){
scanf("%d%d%d%d",&x,&y,&t,&c);
v[x].push_back(node(y,t,c,0));
v[y].push_back(node(x,t,c,0));
}
pro(0);
vis[0]=1;
while(!pq.empty()){
sort(pq.begin(),pq.end(),cmp);
int x=pq.back().x;
int c=pq.back().cost,t=pq.back().time,par=pq.back().par;pq.pop_back();
if(vis[x])continue;
vis[x]=1;
if(!vis1[x][par])
v1[x].push_back(par);
vis1[x][par]=vis1[par][x]=1;
summoney+=c;
sumtime+=t;
pro(x);
}
cout<<sumtime<<" "<<summoney<<endl;
for(int i=0;i<n;i++){
for(auto pp:v1[i])cout<<i<<" "<<pp<<endl;
}
}
Compilation message
timeismoney.cpp: In function 'int main()':
timeismoney.cpp:35:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d%d",&x,&y,&t,&c);
^
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
2 ms |
504 KB |
Output is correct |
2 |
Correct |
1 ms |
504 KB |
Output is correct |
3 |
Correct |
1 ms |
504 KB |
Output is correct |
4 |
Correct |
2 ms |
504 KB |
Output is correct |
5 |
Correct |
5 ms |
532 KB |
Output is correct |
6 |
Correct |
3 ms |
588 KB |
Output is correct |
7 |
Correct |
113 ms |
800 KB |
Output is correct |
8 |
Execution timed out |
2033 ms |
1500 KB |
Time limit exceeded |
9 |
Correct |
1 ms |
1500 KB |
Output is correct |
10 |
Correct |
1 ms |
1500 KB |
Output is correct |
11 |
Correct |
1 ms |
1500 KB |
Output is correct |
12 |
Incorrect |
2 ms |
1500 KB |
Output isn't correct |
13 |
Incorrect |
2 ms |
1500 KB |
Output isn't correct |
14 |
Incorrect |
5 ms |
1500 KB |
Output isn't correct |
15 |
Incorrect |
4 ms |
1500 KB |
Output isn't correct |
16 |
Incorrect |
104 ms |
1500 KB |
Output isn't correct |
17 |
Incorrect |
104 ms |
1500 KB |
Output isn't correct |
18 |
Incorrect |
97 ms |
1500 KB |
Output isn't correct |
19 |
Execution timed out |
2037 ms |
1520 KB |
Time limit exceeded |
20 |
Execution timed out |
2064 ms |
1520 KB |
Time limit exceeded |