Submission #61724

#	Time	Username	Problem	Language	Result	Execution time	Memory
61724		nvmdava	Boxes with souvenirs (IOI15_boxes)	C++17	0 / 100	2033 ms	376 KiB

boxes

#include "boxes.h"

long long delivery(int N, int K, int L, int p[]) {
	long long ans = (long long)(N + K - 1) / K * L;
	
	int i;
	while(p[i] == 0)i++;
	i += K - 1;
	while(i < N && p[i] * 2 < L){
		ans = ans - L + p[i] * 2;
		i += K;
	}
	i = N - K;
	while(i >= 0 && (L -p[i]) * 2 < L){
		ans = ans - L + (L - p[i]) * 2;
	}
	return ans;
}

Compilation message (stderr)

boxes.cpp: In function 'long long int delivery(int, int, int, int*)':
boxes.cpp:7:11: warning: 'i' is used uninitialized in this function [-Wuninitialized]
  while(p[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