oj.uz

Submission #67668

# Submission time Handle Problem Language Result Execution time Memory
67668 2018-08-15T08:20:47 Z ekrem XOR Sum (info1cup17_xorsum) C++
7 / 100
 1600 ms 4308 KB 
#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define N 1000005
using namespace std;

int n, a[N], ans;

int main() {
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	scanf("%d",&n);
	for(int i = 1; i <= n; i++)
		scanf("%d", a + i);
	for(int i = 1; i <= n; i++)
		for(int j = i; j <= n; j++)
			ans ^= a[i] + a[j];
	printf("%d\n",ans);
	return 0;
}

Compilation message

xorsum.cpp: In function 'int main()':
xorsum.cpp:14:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d",&n);
  ~~~~~^~~~~~~~~
xorsum.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", a + i);
   ~~~~~^~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 376 KB Output is correct
2 Correct 9 ms 376 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1668 ms 4308 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1668 ms 4308 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 376 KB Output is correct
2 Correct 9 ms 376 KB Output is correct
3 Execution timed out 1628 ms 4308 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 376 KB Output is correct
2 Correct 9 ms 376 KB Output is correct
3 Execution timed out 1668 ms 4308 KB Time limit exceeded
4 Halted 0 ms 0 KB -