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Submission #67694

# Submission time Handle Problem Language Result Execution time Memory
67694 2018-08-15T08:46:04 Z tatatan XOR Sum (info1cup17_xorsum) C++11
7 / 100
 1600 ms 8320 KB 
#include <bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define pii pair<int,int>
#define LL long long
#define st first
#define nd second
#define endl '\n'
using namespace std;
 
const int MAXN=1000005;
LL n,a[MAXN],b[MAXN];
LL ans;
 
int main() {
 
	scanf("%lld",&n);
	for(int i=0;i<n;++i)
		scanf("%lld",&a[i]);
	LL ans2=0;
	for(int i=0;i<n;++i)
		for(int j=i;j<n;++j)
			ans2^=a[i]+a[j];
	printf("%lld\n",ans2);
 
}

Compilation message

xorsum.cpp: In function 'int main()':
xorsum.cpp:17:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld",&n);
  ~~~~~^~~~~~~~~~~
xorsum.cpp:19:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld",&a[i]);
   ~~~~~^~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 376 KB Output is correct
2 Correct 11 ms 376 KB Output is correct

Subtask #2
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1662 ms 8320 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 1662 ms 8320 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 38.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 376 KB Output is correct
2 Correct 11 ms 376 KB Output is correct
3 Execution timed out 1675 ms 8320 KB Time limit exceeded
4 Halted 0 ms 0 KB -

Subtask #5
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 376 KB Output is correct
2 Correct 11 ms 376 KB Output is correct
3 Execution timed out 1662 ms 8320 KB Time limit exceeded
4 Halted 0 ms 0 KB -