Submission #1008398

#	Time	Username	Problem	Language	Result	Execution time	Memory
1008398		andro	Boxes with souvenirs (IOI15_boxes)	C++14	10 / 100	0 ms	436 KiB

boxes

#include <bits/stdc++.h>

#include "boxes.h"

using namespace std;

long long delivery(int N, int K, int L, int p[]) {
    long long ans = 0;
    vector<int> b1, b2;
    for(int i = 0; i < N; i++) {
        if(p[i] <= L - p[i]) {
            b1.push_back(p[i]);
        }
        else {
            b2.push_back(p[i]);
        }
    }
    int r = K;
    for(int i = 0; i < b1.size(); i++) {
        r -= 1;
        if(! r) {
            ans += b1[i] * 2;
            r = K;
        }
        else {
            continue;
        }
    }
    int idx = b2.size() - 1;
    if(r != K) {
        while(r > 0) {
            idx -= 1;
            r -= 1;
        }
        ans += (L - b2[idx + 1]) * 2;
    }
    r = K;
    for(int i = 0; i <= idx; i++) {
        r -= 1;
        if(! r) {
            ans += (L - b2[i]) * 2;
            r = K;
        }
        else {
            continue;
        }
    }
    if(r != K) {
        if(r > 0) {
            ans += (L - b2[idx]) * 2;
        }
    }
    return ans;
}

/*
int main() {
    int X[3] = {1, 2, 5};
    cout << delivery(3, 2, 8, X);
}
*/

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:19:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   19 |     for(int i = 0; i < b1.size(); i++) {
      |                    ~~^~~~~~~~~~~
boxes.cpp:29:25: warning: conversion from 'std::vector<int>::size_type' {aka 'long unsigned int'} to 'int' may change value [-Wconversion]
   29 |     int idx = b2.size() - 1;
      |               ~~~~~~~~~~^~~

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