Submission #167437

#	Time	Username	Problem	Language	Result	Execution time	Memory
167437		Thuleanx	Lightning Conductor (POI11_pio)	C++14	81 / 100	1074 ms	18992 KiB

pio

#include <bits/stdc++.h>
using namespace std;

const int N = 5e5+7;
int n;
int h[N];
int L[N], R[N];

int main() {
	ios_base::sync_with_stdio(false);
	cin.tie(NULL);

	scanf("%d", &n);
	memset(L,0,sizeof(L));
	memset(R,0,sizeof(R));
	for (int i = 0; i < n; i++)
		scanf("%d", &h[i]);
	for (int i = 0; i < n; i++) {
		for (int j = 0; i+j*j+1 < n; j++) 
			L[i+j*j+1] = max(L[i+j*j+1], h[i] + j + 1);
		for (int j = 0; i-j*j-1 >= 0; j++)
			R[i-j*j-1] = max(R[i-j*j-1], h[i] + j + 1);
	}
	for (int i = 1; i < n; i++) L[i] = max(L[i], L[i-1]);
	for (int i = n-2; i >= 0; i--) R[i] = max(R[i], R[i+1]);
	stringstream ss;
	for (int i = 0; i < n; i++)
		ss << max(0, max(L[i],R[i]) - h[i]) << endl;
	cout << ss.str();

	return 0;
}

Compilation message (stderr)

pio.cpp: In function 'int main()':
pio.cpp:13:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
pio.cpp:17:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &h[i]);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 9 / 9
• Subtask 7: 9 / 9
• Subtask 8: 9 / 9
• Subtask 9: 9 / 9
• Subtask 10: 0 / 9
• Subtask 11: 0 / 10