oj.uz

Submission #702675

# Submission time Handle Problem Language Result Execution time Memory
702675 2023-02-24T18:32:41 Z jhnah917 Designated Cities (JOI19_designated_cities) C++14
7 / 100
 213 ms 33976 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int N, Q;
vector<pair<ll,ll>> G[202020];
ll Sum, C[202020], C1;

void TreeDP(int v, int b=-1, ll up=0, ll dw=0){
    for(auto [i,w] : G[v]) if(i == b) C1 += w, up += w;
    C[v] = dw - up;
    for(auto [i,w] : G[v]) if(i != b) TreeDP(i, v, up, dw+w);
}

int main(){
    ios_base::sync_with_stdio(false); cin.tie(nullptr);
    cin >> N;
    for(int i=1; i<N; i++){
        int a, b, c, d; cin >> a >> b >> c >> d; Sum += c + d;
        G[a].emplace_back(b, c); G[b].emplace_back(a, d);
    }
    cin >> Q; assert(Q == 1);
    TreeDP(1);
    for(int q=1; q<=Q; q++){
        int t; cin >> t; assert(t == 1);
        cout << Sum - (C1 + *max_element(C+1, C+N+1)) << "\n";
    }
}

Compilation message

designated_cities.cpp: In function 'void TreeDP(int, int, ll, ll)':
designated_cities.cpp:10:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   10 |     for(auto [i,w] : G[v]) if(i == b) C1 += w, up += w;
      |              ^
designated_cities.cpp:12:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   12 |     for(auto [i,w] : G[v]) if(i != b) TreeDP(i, v, up, dw+w);
      |              ^

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 10068 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5080 KB Output is correct
2 Correct 179 ms 23124 KB Output is correct
3 Correct 187 ms 33500 KB Output is correct
4 Correct 201 ms 21772 KB Output is correct
5 Correct 160 ms 23124 KB Output is correct
6 Correct 168 ms 24784 KB Output is correct
7 Correct 139 ms 22624 KB Output is correct
8 Correct 213 ms 33976 KB Output is correct
9 Correct 119 ms 22496 KB Output is correct

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Runtime error 6 ms 10068 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #4
0 / 17.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 10068 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #5
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 5080 KB Output is correct
2 Correct 179 ms 23124 KB Output is correct
3 Correct 187 ms 33500 KB Output is correct
4 Correct 201 ms 21772 KB Output is correct
5 Correct 160 ms 23124 KB Output is correct
6 Correct 168 ms 24784 KB Output is correct
7 Correct 139 ms 22624 KB Output is correct
8 Correct 213 ms 33976 KB Output is correct
9 Correct 119 ms 22496 KB Output is correct
10 Runtime error 6 ms 10068 KB Execution killed with signal 6
11 Halted 0 ms 0 KB -

Subtask #6
0 / 44.0

# Verdict Execution time Memory Grader output
1 Runtime error 7 ms 10068 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -