oj.uz

답안 #252842

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
252842 2020-07-26T10:44:59 Z khangal 여행하는 상인 (APIO17_merchant) C++14
12 / 100
 118 ms 32272 KB 
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef double db;
typedef vector<long long> vl;
typedef pair<long long , long long > pl;
const int N=1e6+1;
#define po pop_back
#define pb push_back
#define mk make_pair
#define lw lower_bound
#define up upper_bound
#define ff first
#define ss second
#define boost ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0);
#define MOD 1000000007
#define MAX 1e18 
#define MIN -1e18
#define rep(i,a,b) for(ll i=a;i<=b;i++)
#define per(i,a,b) for(ll i=b;i>=a;i--)
#define con continue
#define freopen freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define PI 3.14159265358979323846264338327950288419716939937510582097494459230781640628
// typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
// template< typename T>
// using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll sz,n,m,ans,mid,mn,mx,cnt,T,sum,h1,h2,e[1234567],b[1234567],c[1234567],d[1<<20],k,i,j,l,h,a[1234567],w,x,y,z;
bool used[1234567];
vector<ll> v[1234567];
vl vec;
ll C[123][1234][2],D[123][123],c1[123][123];
int main(){
    cin>>n>>m>>k;
    rep(i,1,n){
        rep(j,1,k){
            cin>>x>>y;
            C[i][j][0]=x;
            C[i][j][1]=y;
        }
    }
    rep(i,1,n){
        rep(j,1,n)c1[i][j]=MAX;
        c1[i][i]=0;
    }
    rep(i,1,m){
        cin>>x>>y>>z;
        c1[x][y]=z;
    }
    rep(k,1,n){
        rep(i,1,n){
            rep(j,1,n){
                c1[i][j]=min(c1[i][j] , c1[i][k] + c1[k][j]);
            }
        }
    }
    rep(a,1,n){
        rep(b,1,n){
            rep(j,1,k){
                if(C[a][j][0] != -1 && C[b][j][1] != -1){
                    D[a][b] = max(D[a][b] , C[b][j][1] - C[a][j][0]);
                }
            }
        }
    }
    rep(i,2,n)
        ans = max(ans , (D[1][i]+D[i][1]) / (c1[1][i]+c1[i][1]));
    cout<<ans;
}

Subtask #1
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 118 ms 32272 KB Output is correct
2 Correct 22 ms 29824 KB Output is correct
3 Correct 22 ms 29824 KB Output is correct
4 Correct 19 ms 29560 KB Output is correct
5 Correct 19 ms 29568 KB Output is correct
6 Correct 18 ms 29568 KB Output is correct
7 Correct 20 ms 29696 KB Output is correct
8 Correct 18 ms 29440 KB Output is correct
9 Correct 18 ms 29568 KB Output is correct
10 Correct 21 ms 29568 KB Output is correct
11 Correct 19 ms 29568 KB Output is correct
12 Correct 18 ms 29440 KB Output is correct
13 Correct 20 ms 29696 KB Output is correct

Subtask #2
0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 19 ms 29696 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 33.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 31 ms 30200 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 34.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 19 ms 29696 KB Output isn't correct
2 Halted 0 ms 0 KB -