Submission #118794

#	Time	Username	Problem	Language	Result	Execution time	Memory
118794		Bruteforceman	Permutation Recovery (info1cup17_permutation)	C++11	25 / 100	3 ms	512 KiB

Main

#include "bits/stdc++.h"
using namespace std;
int n;
int p[100010];
int q[100010];
int a[100010];

int main(int argc, char const *argv[])
{
	scanf("%d", &n);
	for(int i = 1; i <= n; i++) {
		scanf("%d", p + i);
	}
	for(int i = n; i >= 1; i--) {
		p[i] -= p[i - 1];
	}
	for(int i = 1; i <= n; i++) {
		q[i] = p[i];
	}
	
	int cur = 0;
	for(int i = 1; i <= n; i++) {
		int idx = -1;
		for(int j = 1; j <= n; j++) {
			if(p[j] == 1) {
				idx = j;
			}
		}
		for(int j = idx; j <= n; j++) {
			p[j] -= q[idx];
		}
		a[idx] = ++cur;
	}
	for(int i = 1; i <= n; i++) printf("%d ", a[i]);
	printf("\n");
	return 0;
}

Compilation message (stderr)

permutation.cpp: In function 'int main(int, const char**)':
permutation.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
permutation.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", p + i);
   ~~~~~^~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 15 / 15
• Subtask 3: 0 / 18
• Subtask 4: 0 / 17
• Subtask 5: 0 / 11
• Subtask 6: 0 / 7
• Subtask 7: 0 / 16
• Subtask 8: 0 / 6