Submission #1757933
Source Code Expand
#include<iostream> #include<cstdio> #include<vector> #include<map> #include<string> #include<sstream> #include<cmath> #include<climits> #include<algorithm> #include<bitset> #include<set> #include<stack> #include<queue> #include<iomanip> #include<memory.h> #include<complex> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<vi> vvi; typedef tuple<int,int> tii; #define rep(i,n) for(ll i=0;i<(n);i++) #define pb push_back #define mt make_tuple #define ALL(a) (a).begin(),(a).end() #define FST first #define SEC second const int INF = (INT_MAX/2); const ll LLINF = (LLONG_MAX/2); const double eps = 1e-8; const double PI = M_PI; #define DEB cerr<<"!"<<endl #define SHOW(a,b) cerr<<(a)<<" "<<(b)<<endl #define SHOWARRAY(ar,i,j) REP(a,i)REP(b,j)cerr<<ar[a][b]<<((b==j-1)?((a==i-1)?("\n\n"):("\n")):(" ")) #define DIV int(1e9+7) inline ll pow(ll x,ll n,ll m){ll r=1;while(n>0){if((n&1)==1)r=r*x%m;x=x*x%m;n>>=1;}return r%m;} inline ll lcm(ll d1, ll d2){return d1 / __gcd(d1, d2) * d2;} /* Coding Space*/ struct Edge{ int from,to,cost; }; vector<Edge> G; ll d[1001]; int n,m; bool BellmanFord(int s){ rep(i,n) d[i] = LLINF; d[s] = 0; for(int x = 0;; x++){ bool update = false; rep(i,m){ Edge e = G[i]; if(d[e.from] != LLINF && d[e.to] > d[e.from] + e.cost){ d[e.to] = d[e.from] + e.cost; update = true; } } if(!update) break; if(x > n) return true; } return false; } int main(){ cin >> n >> m; G.resize(m); rep(i,m){ int a,b,c; cin >> a >> b >> c; a--,b--; G[i] = Edge{a,b,-c}; } if(BellmanFord(0)){ cout << "inf" << endl; }else{ cout << -d[n-1] << endl; } }
Submission Info
Submission Time | |
---|---|
Task | D - Score Attack |
User | cashisu1 |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1772 Byte |
Status | WA |
Exec Time | 7 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 400 | ||||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_1.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_2.txt, subtask_1_20.txt, subtask_1_21.txt, subtask_1_22.txt, subtask_1_23.txt, subtask_1_24.txt, subtask_1_25.txt, subtask_1_26.txt, subtask_1_27.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_1.txt | AC | 2 ms | 256 KB |
subtask_1_10.txt | AC | 1 ms | 256 KB |
subtask_1_11.txt | AC | 2 ms | 256 KB |
subtask_1_12.txt | AC | 5 ms | 256 KB |
subtask_1_13.txt | AC | 1 ms | 256 KB |
subtask_1_14.txt | AC | 4 ms | 256 KB |
subtask_1_15.txt | AC | 7 ms | 256 KB |
subtask_1_16.txt | AC | 1 ms | 256 KB |
subtask_1_17.txt | AC | 1 ms | 256 KB |
subtask_1_18.txt | AC | 2 ms | 256 KB |
subtask_1_19.txt | AC | 3 ms | 256 KB |
subtask_1_2.txt | AC | 2 ms | 256 KB |
subtask_1_20.txt | AC | 1 ms | 256 KB |
subtask_1_21.txt | AC | 2 ms | 256 KB |
subtask_1_22.txt | AC | 3 ms | 256 KB |
subtask_1_23.txt | WA | 1 ms | 256 KB |
subtask_1_24.txt | AC | 3 ms | 256 KB |
subtask_1_25.txt | WA | 3 ms | 256 KB |
subtask_1_26.txt | AC | 2 ms | 256 KB |
subtask_1_27.txt | WA | 4 ms | 256 KB |
subtask_1_3.txt | AC | 2 ms | 256 KB |
subtask_1_4.txt | AC | 2 ms | 256 KB |
subtask_1_5.txt | AC | 2 ms | 256 KB |
subtask_1_6.txt | AC | 4 ms | 256 KB |
subtask_1_7.txt | AC | 2 ms | 256 KB |
subtask_1_8.txt | AC | 2 ms | 256 KB |
subtask_1_9.txt | AC | 1 ms | 256 KB |