Submission #617907

#	Time	Username	Problem	Language	Result	Execution time	Memory
617907		snasibov05	Palembang Bridges (APIO15_bridge)	C++14	0 / 100	1 ms	212 KiB

bridge

#include <bits/stdc++.h>

using namespace std;

#define oo 1000000000000000000ll
#define int long long

struct data{
    char t1, t2;
    int x1, x2;
};

signed main() {
    int k, n; cin >> k >> n;
    vector<int> arr;
    vector<data> v(n);
    for (int i = 0; i < n; ++i){
        char t1, t2; int x1, x2;
        cin >> t1 >> x1 >> t2 >> x2;
        v[i] = {t1, t2, x1, x2};
        if (t1 != t2) arr.push_back(x1), arr.push_back(x2);
    }

    int ans = oo;
    for (int i = 0; i < arr.size(); ++i){
        for (int j = i+1; j < arr.size(); ++j){
            int cur = 0;
            for (int x = 0; x < n; ++x){
                if (v[x].t1 == v[x].t2) cur += abs(v[x].x1 - v[x].x2);
                else{
                    int c = abs(v[x].x1 - arr[i]) + abs(v[x].x2 - arr[i]) + 1;
                    c = min(c, abs(v[x].x1 - arr[j]) + abs(v[x].x2 - arr[j]) + 1);
                    cur += c;
                }
            }
            ans = min(ans, cur);
        }
    }

    cout << ans << "\n";

    return 0;
}

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:25:23: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |     for (int i = 0; i < arr.size(); ++i){
      |                     ~~^~~~~~~~~~~~
bridge.cpp:26:29: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   26 |         for (int j = i+1; j < arr.size(); ++j){
      |                           ~~^~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 14
• Subtask 3: 0 / 9
• Subtask 4: 0 / 32
• Subtask 5: 0 / 37