Submission #969233

#	Time	Username	Problem	Language	Result	Execution time	Memory
969233		zh_h	Cyberland (APIO23_cyberland)	C++17	0 / 100	18 ms	5616 KiB

cyberland

#include <iostream>
#include <vector>
#include <algorithm>
#include <bits/stdc++.h>
#define lint long long
#define pb push_back
#define mp make_pair
using namespace std;
lint MOD = 1e9 + 7;
int INF = 1e9;

void solve(int N, int M, int K, int H, vector<int> x, vector<int> y, vector<int> c, vector<int> arr){
    vector<vector<int>> v(3, vector<int>(3, 0));
    v[0][0] = 0;
    v[1][1] = 0;
    v[2][2] = 0;

    // for(auto i : c){cout << i << " ";}

    for(int i = 0; i < M; i ++){
        v[x[i]][y[i]] = c[i];
        v[y[i]][x[i]] = c[i];
    }

    // for(int i = 0; i < 3; i ++){
    //     for(int j = 0; j < 3; j ++){
    //         cout << v[i][j] << " ";
    //     }
    //     cout << endl;
    // }
    
    int sum1 = 0; // v[0][H]
    if(arr[H] == 0){sum1 = 0;}
    if(arr[H] == 1){sum1 += v[0][H];}
    if(arr[H] == 2){sum1 += v[0][H]/2;}

    // cout << c[H] << "sum1=" << sum1 << "\n\n\n";

    int sum2 = 0; // v[0][3-H]+v[3-H][H]
    if(arr[3-H] == 0){sum2 = 0;}
    if(arr[3-H] == 1){sum2 += v[0][3-H];}
    if(arr[3-H] == 2){sum2 += v[0][3-H]/2;}

    if(arr[H] == 0){sum2 = 0;}
    if(arr[H] == 1){sum2 += v[3-H][H];}
    if(arr[H] == 2){sum2 += v[3-H][H]; sum2 /= 2;}

    // cout << sum1 << " " << sum2 << endl << endl;
    if(v[0][H] == 0) cout << sum2;
    else if(v[0][3-H] == 0 || v[3-H][H] == 0){cout << sum1;}
    else cout << min(sum1, sum2);
}

• Subtask 1: 0 / 5
• Subtask 2: 0 / 8
• Subtask 3: 0 / 13
• Subtask 4: 0 / 19
• Subtask 5: 0 / 7
• Subtask 6: 0 / 16
• Subtask 7: 0 / 29
• Subtask 8: 0 / 3