Submission #420105

#	Time	Username	Problem	Language	Result	Execution time	Memory
420105		Azimjon	Boxes with souvenirs (IOI15_boxes)	C++17	0 / 100	1 ms	204 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>

using namespace std;

long long delivery(int n, int k, int l, int p[]) {
	vector<int> pr, sf;
	pr.push_back(p[0]);
	sf.push_back(p[n - 1]);

	for (int i = 1; i < n; i++) {
		pr.push_back(pr.back() + p[i] - p[i - 1]);
	}

	for (int i = n - 2; i >= 0; i--) {
		sf.push_back(sf.back() + p[i + 1] - p[i]);
	}

	long long ans;

	for (int i = 0; i < n; i++) {
		ans += min(pr[i], sf[n - i - 1]);
	}

	return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:6:31: warning: unused parameter 'k' [-Wunused-parameter]
    6 | long long delivery(int n, int k, int l, int p[]) {
      |                           ~~~~^
boxes.cpp:6:38: warning: unused parameter 'l' [-Wunused-parameter]
    6 | long long delivery(int n, int k, int l, int p[]) {
      |                                  ~~~~^
boxes.cpp:25:9: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
   25 |  return ans;
      |         ^~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 15
• Subtask 4: 0 / 15
• Subtask 5: 0 / 20
• Subtask 6: 0 / 30