結果
| 問題 |
No.1344 Typical Shortest Path Sum
|
| コンテスト | |
| ユーザー |
PCTprobability
|
| 提出日時 | 2021-01-14 17:06:35 |
| 言語 | C++17(clang) (17.0.6 + boost 1.87.0) |
| 結果 |
TLE
|
| 実行時間 | - |
| コード長 | 3,212 bytes |
| コンパイル時間 | 2,154 ms |
| コンパイル使用メモリ | 164,864 KB |
| 実行使用メモリ | 75,712 KB |
| 最終ジャッジ日時 | 2024-11-26 12:30:37 |
| 合計ジャッジ時間 | 19,623 ms |
|
ジャッジサーバーID (参考情報) |
judge1 / judge2 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 72 TLE * 5 |
ソースコード
#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for(long long i=0;i<(long long)(n);i++)
#define REP(i,k,n) for(long long i=k;i<(long long)(n);i++)
#define all(a) a.begin(),a.end()
#define rsort(a) {sort(all(a));reverse(all(a));}
#define pb emplace_back
#define eb emplace_back
#define lb(v,k) (lower_bound(all(v),(k))-v.begin())
#define ub(v,k) (upper_bound(all(v),(k))-v.begin())
#define fi first
#define se second
#define pi M_PI
#define PQ(T) priority_queue<T>
#define SPQ(T) priority_queue<T,vector<T>,greater<T>>
#define dame(a) {out(a);return 0;}
#define decimal cout<<fixed<<setprecision(15);
#define dupli(a) {sort(all(a));a.erase(unique(all(a)),a.end());}
typedef long long ll;
typedef pair<ll,ll> P;
typedef tuple<ll,ll,ll> PP;
typedef tuple<ll,ll,ll,ll> PPP;
typedef multiset<ll> S;
using vi=vector<ll>;
using vvi=vector<vi>;
using vvvi=vector<vvi>;
using vvvvi=vector<vvvi>;
using vp=vector<P>;
using vvp=vector<vp>;
using vb=vector<bool>;
using vvb=vector<vb>;
const ll inf=1001001001001001001;
const ll INF=1001001001;
const ll mod=1000000007;
const double eps=1e-10;
template<class T> bool chmin(T&a,T b){if(a>b){a=b;return true;}return false;}
template<class T> bool chmax(T&a,T b){if(a<b){a=b;return true;}return false;}
template<class T> void out(T a){cout<<a<<'\n';}
template<class T> void outp(T a){cout<<'('<<a.fi<<','<<a.se<<')'<<'\n';}
template<class T> void outvp(T v){rep(i,v.size())cout<<'('<<v[i].fi<<','<<v[i].se<<')';cout<<'\n';}
template<class T> void outvvp(T v){rep(i,v.size())outvp(v[i]);}
template<class T> void outv(T v){rep(i,v.size()){if(i)cout<<' ';cout<<v[i];}cout<<'\n';}
template<class T> void outvv(T v){rep(i,v.size())outv(v[i]);}
template<class T> bool isin(T x,T l,T r){return (l)<=(x)&&(x)<=(r);}
template<class T> void yesno(T b){if(b)out("yes");else out("no");}
template<class T> void YesNo(T b){if(b)out("Yes");else out("No");}
template<class T> void YESNO(T b){if(b)out("YES");else out("NO");}
template<class T> void noyes(T b){if(b)out("no");else out("yes");}
template<class T> void NoYes(T b){if(b)out("No");else out("Yes");}
template<class T> void NOYES(T b){if(b)out("NO");else out("YES");}
void outs(ll a,ll b){if(a>=inf-100)out(b);else out(a);}
ll gcd(ll a,ll b){if(b==0)return a;return gcd(b,a%b);}
ll modpow(ll a,ll b){ll res=1;a%=mod;while(b){if(b&1)res=res*a%mod;a=a*a%mod;b>>=1;}return res;}
vi dijkstra(int from,vvi&g){
vi dis(g.size(),inf);
dis[from]=0;
SPQ(P) pq;
pq.push(P(0,from));
while(!pq.empty()){
auto t=pq.top();pq.pop();
if(t.fi!=dis[t.se])continue;
rep(x,g.size())if(g[t.se][x]!=inf){
if(chmin(dis[x],t.fi+g[t.se][x]))pq.push(P(dis[x],x));
}
}
return dis;
}
int main(){
ll n,m;cin>>n>>m;
assert(2<=n&&n<=100);
assert(1<=m&&m<=9900);
vvi dis(n,vi(n,inf));
rep(i,n)dis[i][i]=0;
rep(i,m){
ll s,t,d;cin>>s>>t>>d;s--;t--;
assert(0<=s&&s<=n-1);
assert(0<=t&&t<=n-1);
assert(-1000000000000ll<=d&&d<=1000000000000ll);
assert(s!=t);
chmin(dis[s][t],d);
}
rep(k,n){
vi d=dijkstra(k,dis);
ll ans=0;
rep(j,n)if(d[j]!=inf)ans+=d[j];
out(ans);
}
}
PCTprobability