Submission #134664

#	Time	Username	Problem	Language	Result	Execution time	Memory
134664		Boxworld	Boxes with souvenirs (IOI15_boxes)	C++14	10 / 100	3 ms	376 KiB

boxes

#include "boxes.h"
#include <bits/stdc++.h>
using namespace std;
long long delivery(int N, int K, int L, int p[]){
    int m=-1;
    long long ans;
	for (int i=0;i<N;i++)
	if (p[i]*2<L)m=i;
	//left
	for (int i=m;i>=0;i-=K)ans+=p[i]*2;
	//right
	for (int i=m+1;i<N;i+=K)ans+=(L-p[i])*2;
	return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:13:9: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized]
  return ans;
         ^~~

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