Submission #404551

#	Time	Username	Problem	Language	Result	Execution time	Memory
404551		danielcm585	Palembang Bridges (APIO15_bridge)	C++14	22 / 100	48 ms	3524 KiB

bridge

#include <bits/stdc++.h>
using namespace std;

#define fi first
#define se second

typedef long long ll;
typedef pair<int,int> ii;
 
int n, k, s, t; 
char p, q; 

int main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> k >> n;
    ll ans = 0;
    vector<int> v;
    for (int i = 1; i <= n; i++) {
        cin >> p >> s >> q >> t;
        if (p == q) ans += abs(s-t);
        else {
            v.push_back(s);
            v.push_back(t);
        }
    }
    sort(v.begin(),v.end());
    int mid = v.size()/2;
    for (int i = 0; i < v.size(); i++) {
        ans += abs(v[mid-1]-v[i]);
    }
    ans += mid;
    cout << ans << '\n';
    return 0;
}

/*
1 5
B 0 A 4
B 1 B 3 
A 5 B 7
B 2 A 6
B 1 A 7
*/

Compilation message (stderr)

bridge.cpp: In function 'int main()':
bridge.cpp:28:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   28 |     for (int i = 0; i < v.size(); i++) {
      |                     ~~^~~~~~~~~~

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