Submission #420106

#TimeUsernameProblemLanguageResultExecution timeMemory
420106AzimjonBoxes with souvenirs (IOI15_boxes)C++17
0 / 100
1 ms204 KiB
#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[i]);
	}

	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;
      |         ^~~
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