Submission #30538

#	Time	Username	Problem	Language	Result	Execution time	Memory
30538		kavun	Boxes with souvenirs (IOI15_boxes)	C++14	0 / 100	2 ms	376 KiB

boxes

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

using namespace std;
long long n,l,k,ans = 1e9, cw[10000010], ccw[10000010];


long long delivery(int N, int K, int L, int p[]) {
  n = N;
  k = K;
  for(int i = 0; i < k; i++)
    cw[i] = 2*p[i];
  for(int i = k; i < n; i++)
    cw[i] = cw[i-k] + 2*p[i];
  for(int i = n-1; i >= n-k; i--)
    ccw[i] = 2*(L-p[i]);
  for(int i = n-k-1; i >= 0; i--)
    ccw[i] = ccw[i+k] + 2*(L-p[i]);
  for(int i = 0; i < n; i++)
    if(p[i+k] > L/2)
      ans = min(ans,cw[i] + L + 2*ccw[i+k+1]);

  return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:14:15: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
   for(int i = k; i < n; i++)
               ^
boxes.cpp:16:16: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
   for(int i = n-1; i >= n-k; i--)
               ~^~
boxes.cpp:18:18: warning: conversion to 'int' from 'long long int' may alter its value [-Wconversion]
   for(int i = n-k-1; i >= 0; i--)
               ~~~^~

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