oj.uz

Submission #597255

# Submission time Handle Problem Language Result Execution time Memory
597255 2022-07-15T19:58:57 Z Ozy Swapping Cities (APIO20_swap) C++17
0 / 100
 2000 ms 12560 KB 
#include "swap.h"
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for (int i = (a); i <= (b); i++)
#define repa(i,a,b) for (int i = (a); i >= (b); i--)
#define lli long long int
#define debug(a) cout << #a << " = " << a << endl
#define debugsl(a) cout << #a << " = " << a << ", "

#define MAX 100000
#define u second.first
#define v second.second
#define w first

lli n,m,a,b,c,dis,cont;
vector<pair<lli,pair<lli,lli> > > orden;
pair<lli,lli> uf[MAX+2];
lli grado[MAX+2],ciclo[MAX+2];

lli sube(lli act) {
    if (uf[act].first == act) return act;
    uf[act].first = sube(uf[act].first);
    return uf[act].first;
}

void une(lli a, lli b) {
    uf[b].first = a;
    if (ciclo[b]) ciclo[a] = 1;
}

void init(int N, int M,std::vector<int> U, std::vector<int> V, std::vector<int> W) {
    n = N;
    m = M;

    rep(i,0,m-1) orden.push_back({W[i], {U[i]+1, V[i]+1} });
    sort(orden.begin(), orden.end());
}

int getMinimumFuelCapacity(int X, int Y) {
    X++;
    Y++;

    rep(i,1,n) {
        uf[i] = {i,0};
        grado[i] = 0;
        ciclo[i] = 0;
    }

    for (auto act : orden) {
        cont++;

        a = sube(act.u);
        b = sube(act.v);
        grado[act.u]++;
        grado[act.v]++;

        if (a != b) une(a,b);
        else ciclo[a] = 1;

        if (grado[act.u] > uf[a].second) uf[a].second = grado[act.u];
        if (grado[act.v] > uf[a].second) uf[a].second = grado[act.v];

        a = sube(X);
        b = sube(Y);

        if (a == b) {
            if (uf[a].second > 2 || ciclo[a]) return act.w;
        }
    }

    return -1;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 44 ms 7316 KB Output is correct
10 Correct 60 ms 8836 KB Output is correct
11 Correct 63 ms 8752 KB Output is correct
12 Correct 61 ms 9152 KB Output is correct
13 Correct 58 ms 9508 KB Output is correct
14 Execution timed out 2070 ms 7584 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #2
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Execution timed out 2070 ms 12560 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #3
0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Incorrect 1 ms 340 KB Output isn't correct
12 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 44 ms 7316 KB Output is correct
11 Correct 60 ms 8836 KB Output is correct
12 Correct 63 ms 8752 KB Output is correct
13 Correct 61 ms 9152 KB Output is correct
14 Correct 58 ms 9508 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Incorrect 1 ms 340 KB Output isn't correct
17 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 304 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 320 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 44 ms 7316 KB Output is correct
10 Correct 60 ms 8836 KB Output is correct
11 Correct 63 ms 8752 KB Output is correct
12 Correct 61 ms 9152 KB Output is correct
13 Correct 58 ms 9508 KB Output is correct
14 Execution timed out 2070 ms 7584 KB Time limit exceeded
15 Halted 0 ms 0 KB -

Subtask #6
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 304 KB Output is correct
5 Correct 1 ms 308 KB Output is correct
6 Correct 1 ms 320 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 44 ms 7316 KB Output is correct
11 Correct 60 ms 8836 KB Output is correct
12 Correct 63 ms 8752 KB Output is correct
13 Correct 61 ms 9152 KB Output is correct
14 Correct 58 ms 9508 KB Output is correct
15 Execution timed out 2070 ms 7584 KB Time limit exceeded
16 Halted 0 ms 0 KB -