Submission #320367

#	Time	Username	Problem	Language	Result	Execution time	Memory
320367		nikatamliani	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KiB

boxes

#include <bits/stdc++.h>
#include "boxes.h"
using namespace std;
int delivery(int N, int K, int L, int positions[]) {
    long long p[N], s[N];
    for(int i = 0; i < N; ++i) {
        p[i] = 2 * positions[i];
        if(i >= K) {
            p[i] += p[i - K];
        } 
    }
    for(int i = N - 1; i >= 0; --i) {
        s[i] = 2 * (L - positions[i]);
        if(i + K < N) {
            s[i] += s[i + K]; 
        }
    }
    long long answer = p[N - 1];
    for(int i = 0; i < N - 1; ++i) {
        answer = min(answer, p[i] + s[i + 1]);
    }
    for(int start = 0; start + K - 1 < N; ++start) {
        int end = start + K - 1;
        long long left = (start > 0 ? p[start - 1] : 0);
        long long right = (end < N - 1 ? s[end + 1] : 0);
        long long middle = L;
        answer = min(answer, left + middle + right);
    }
    return answer;
}
// int main() {
//     int pos[] = {1, 2, 5};
//     cout << delivery(3, 2, 8, pos) << '\n';
// }

Compilation message (stderr)

boxes.cpp:4:5: error: ambiguating new declaration of 'int delivery(int, int, int, int*)'
    4 | int delivery(int N, int K, int L, int positions[]) {
      |     ^~~~~~~~
In file included from boxes.cpp:2:
boxes.h:4:11: note: old declaration 'long long int delivery(int, int, int, int*)'
    4 | long long delivery(int N, int K, int L, int p[]);
      |           ^~~~~~~~
boxes.cpp: In function 'int delivery(int, int, int, int*)':
boxes.cpp:29:12: warning: conversion from 'long long int' to 'int' may change value [-Wconversion]
   29 |     return answer;
      |            ^~~~~~