Submission #797413

#	Time	Username	Problem	Language	Result	Execution time	Memory
797413		acatmeowmeow	Palembang Bridges (APIO15_bridge)	C++11	0 / 100	1 ms	340 KiB

bridge

#include <bits/stdc++.h>

using namespace std;

#define int long long 

const int N = 1e5;
int k, n, s[N + 5], t[N + 5];
char p[N + 5], q[N + 5];

namespace sub2 {

	void main(int n, int k, int s[], int t[], char p[], char q[]) {
		vector<int> arr;
		int init = 0;
		for (int i = 1; i <= n; i++) {
			if (p[i] == q[i]) init += abs(s[i] - t[i]);
			else arr.push_back(s[i]), arr.push_back(t[i]), init++;
		}
		sort(arr.begin(), arr.end());
		int ans = 1e18, prefix = 0, suffix = accumulate(arr.begin(), arr.end(), 0ll);
		for (int i = 0; i < arr.size(); i++) {
			prefix += arr[i], suffix -= arr[i];
			ans = min(ans, (i + 1)*arr[i] - prefix + suffix - ((int)arr.size() - 1 - i)*arr[i]);
		}
		cout << init + ans << '\n';
	}
}

signed main() {
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	cin >> k >> n;
	for (int i = 1; i <= n; i++) cin >> p[i] >> s[i] >> q[i] >> t[i];
	if (k == 1) sub2::main(n, k, s, t, p, q);
	else cout << 0 << '\n';
	return 0;
}

Compilation message (stderr)

bridge.cpp: In function 'void sub2::main(long long int, long long int, long long int*, long long int*, char*, char*)':
bridge.cpp:22:21: 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]
   22 |   for (int i = 0; i < arr.size(); i++) {
      |                   ~~^~~~~~~~~~~~

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