| 提出番号 | 1997 |
|---|---|
| 提出者 | Gacho_0716 |
| 言語 | C++ |
| 提出日時 | 2018-08-04 14:52:00 |
| 問題名 | (73)観光計画 |
| 結果 | TLE |
| 点数 | 0% |
| テストケース | 結果 | 得点 | 実行時間 | メモリ使用量 |
|---|---|---|---|---|
| 1 | RE | 0% | 0ms | 0KB |
| 2 | RE | 0% | 0ms | 0KB |
| 3 | RE | 0% | 0ms | 0KB |
| 4 | RE | 0% | 0ms | 0KB |
| 5 | RE | 0% | 0ms | 0KB |
| 6 | RE | 0% | 0ms | 0KB |
| 7 | RE | 0% | 0ms | 0KB |
| 8 | TLE | 0% | 20002ms | 0KB |
| 9 | RE | 0% | 0ms | 0KB |
| 10 | RE | 0% | 0ms | 0KB |
| 11 | RE | 0% | 0ms | 0KB |
| 12 | RE | 0% | 0ms | 0KB |
| 13 | RE | 0% | 0ms | 0KB |
| 14 | RE | 0% | 0ms | 0KB |
| 15 | TLE | 0% | 20001ms | 0KB |
| 16 | RE | 0% | 0ms | 0KB |
| 17 | TLE | 0% | 20002ms | 0KB |
| 18 | RE | 0% | 0ms | 0KB |
| 19 | AC | 100% | 39ms | 19760KB |
| 20 | RE | 0% | 0ms | 0KB |
| 21 | RE | 0% | 0ms | 0KB |
| 22 | RE | 0% | 0ms | 0KB |
| 23 | RE | 0% | 0ms | 0KB |
| 24 | RE | 0% | 0ms | 0KB |
| 25 | RE | 0% | 0ms | 0KB |
| 26 | RE | 0% | 0ms | 0KB |
| 27 | TLE | 0% | 20002ms | 0KB |
| 28 | RE | 0% | 0ms | 0KB |
| 29 | RE | 0% | 0ms | 0KB |
| 30 | RE | 0% | 0ms | 0KB |
| 31 | RE | 0% | 0ms | 0KB |
| 32 | RE | 0% | 0ms | 0KB |
| 33 | TLE | 0% | 20002ms | 0KB |
| 34 | RE | 0% | 0ms | 0KB |
| 35 | RE | 0% | 0ms | 0KB |
| 36 | TLE | 0% | 20002ms | 0KB |
| 37 | RE | 0% | 0ms | 0KB |
| 38 | RE | 0% | 0ms | 0KB |
| 39 | RE | 0% | 0ms | 0KB |
| 40 | TLE | 0% | 20002ms | 0KB |
| 41 | RE | 0% | 0ms | 0KB |
| 42 | RE | 0% | 0ms | 0KB |
| 43 | RE | 0% | 0ms | 0KB |
| 44 | RE | 0% | 0ms | 0KB |
| 45 | RE | 0% | 0ms | 0KB |
| 46 | RE | 0% | 0ms | 0KB |
| 47 | RE | 0% | 0ms | 0KB |
| 48 | RE | 0% | 0ms | 0KB |
| 49 | RE | 0% | 0ms | 0KB |
| 50 | RE | 0% | 0ms | 0KB |
| 51 | RE | 0% | 0ms | 0KB |
| 52 | RE | 0% | 0ms | 0KB |
| 53 | RE | 0% | 0ms | 0KB |
| 54 | RE | 0% | 0ms | 0KB |
| 55 | TLE | 0% | 20002ms | 0KB |
| 56 | TLE | 0% | 20002ms | 0KB |
| 57 | TLE | 0% | 20002ms | 0KB |
| 58 | TLE | 0% | 20002ms | 0KB |
| 59 | AC | 100% | 1836ms | 149520KB |
| 60 | RE | 0% | 20001ms | 0KB |
| 61 | RE | 0% | 0ms | 0KB |
| 62 | RE | 0% | 0ms | 0KB |
| 63 | RE | 0% | 20001ms | 0KB |
| 64 | RE | 0% | 0ms | 0KB |
| 65 | RE | 0% | 0ms | 0KB |
| 66 | AC | 100% | 5ms | 15808KB |
| 67 | RE | 0% | 0ms | 0KB |
| 68 | RE | 0% | 0ms | 0KB |
| 69 | RE | 0% | 0ms | 0KB |
| 70 | RE | 0% | 0ms | 0KB |
#include <bits/stdc++.h>
#define int long long
using namespace std;
typedef pair<int,int> P;
int N, M, K, used[100005];
vector<P> G[100005];
priority_queue<P> Q;
void solve(){
while(!Q.empty()){
P t = Q.top(); Q.pop();
int node = t.second;
int cost = t.first;
used[node] = 1;
for(int i=0;i<(int)G[node].size();i++){
int nnode = G[node][i].first;
int ncost = cost - G[node][i].second;
if( ncost < 0 ) continue;
Q.push(P( ncost, nnode ));
}
}
int ans = 0;
for(int i=0;i<N;i++) ans += used[i];
cout<<ans<<endl;
}
signed main(){
cin>>N>>M>>K;
for(int i=0;i<M;i++){
int a, b, c;
cin>>a>>b>>c;
G[a-1].push_back(P( b-1, c ));
G[b-1].push_back(P( a-1, c ));
}
for(int i=0;i<K;i++){
int h, d;
cin>>h>>d;
Q.push(P( d, h - 1 ));
}
solve();
return 0;
}