oj.uz

답안 #655007

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
655007 2022-11-02T12:21:18 Z DJeniUp Designated Cities (JOI19_designated_cities) C++17
0 / 100
 13 ms 19480 KB 
#include "bits/stdc++.h"
//#pragma GCC optimize("O3")

using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef pair<ll,ll>pairll;
typedef long double ld;

#define fr first
#define sc second
#define pb push_back
#define INF 100000000000000007
#define I 100000000000007
#define N 100007
#define endl '\n'
#define MOD 998244353

ll n,res,resx;

vector<pairll>v[2*N];

map<ll,ll>m[N];

ll S(ll x,ll y){
    ll rs=0;
    for(int i=0;i<v[x].size();i++){
        if(v[x][i].fr!=y){
            rs+=v[x][i].sc+S(v[x][i].fr,x);
        }
    }
    return rs;
}

void D(ll x,ll y,ll z){
    if(res>z){
        res=z;
        resx=x;
    }
    for(int i=0;i<v[x].size();i++){
        if(v[x][i].fr!=y){
            D(v[x][i].fr,x,z-v[x][i].sc+m[v[x][i].fr][x]);
        }
    }
    return ;
}

int main()
{
    cin>>n;
    for(int i=1;i<n;i++){
        ll x,y,z,z1;
        cin>>x>>y>>z>>z1;
        v[x].pb({y,z});
        v[y].pb({x,z1});
        m[x][y]=z;
        m[y][x]=z1;
    }
    res=INF;
    D(1,1,S(1,1));
    cout<<res<<endl;

    return 0;
}

Compilation message

designated_cities.cpp: In function 'll S(ll, ll)':
designated_cities.cpp:28:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~
designated_cities.cpp: In function 'void D(ll, ll, ll)':
designated_cities.cpp:41:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   41 |     for(int i=0;i<v[x].size();i++){
      |                 ~^~~~~~~~~~~~

Subtask #1
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 9684 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Runtime error 13 ms 19480 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 9684 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 9684 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 9684 KB Output is correct
2 Runtime error 13 ms 19480 KB Execution killed with signal 11
3 Halted 0 ms 0 KB -

Subtask #6
0 / 44.0

# 결과 실행 시간 메모리 Grader output
1 Incorrect 5 ms 9684 KB Output isn't correct
2 Halted 0 ms 0 KB -