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Submission #6372201

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```#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define pf push_front
#define ppb pop_back
#define ppf pop_front
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<int,ii>
#define iiii pair<ii,ii>
#define sz(x) ((int) x.size())
#define orta ((bas+son)/2)
#define all(x) x.begin(),x.end()
#define inf 1000000005
#define MOD 1000000007
#define N 300005
#define M 1000000
#define LOG 17
#define KOK 300
#define EPS 0.0000001
using namespace std;

int main() {

int n;

scanf("%d",&n);

if(n%3) {

printf("No");

return 0;

}

vector<int> v(n);

for(int i=0;i<n;i++) scanf("%d",&v[i]);

sort(all(v));

vector<int> cnts;

for(int i=0;i<n;i++) {

int cur=1;

while(i+1<n && v[i]==v[i+1]) {

i++;
cur++;

}

cnts.pb(cur);

}

if(v[0]==0) {

if(sz(cnts)==2 && min(cnts[0],cnts[1])*2==max(cnts[0],cnts[1])) {

printf("Yes");

}
else printf("No");

exit(0);

}

if(sz(cnts)!=3 || cnts[0]!=cnts[1] || cnts[1]!=cnts[2] || cnts[0]!=cnts[2]) {

printf("No");

}
else printf("Yes");

}	```

#### Submission Info

Submission Time 2019-07-14 21:41:25+0900 A - XOR Circle hamzqq9 C++14 (GCC 5.4.1) 0 1206 Byte WA 15 ms 1148 KB

#### Compile Error

```./Main.cpp: In function ‘int main()’:
./Main.cpp:31:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d",&n);
^
./Main.cpp:43:40: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
for(int i=0;i<n;i++) scanf("%d",&v[i]);
^
```

#### Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 300
Status
 AC × 2
 AC × 17 WA × 5
Set Name Test Cases
Sample sample_01.txt, sample_02.txt
All sample_01.txt, sample_02.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
test_01.txt WA 1 ms 256 KB
test_02.txt WA 10 ms 640 KB
test_03.txt WA 1 ms 256 KB
test_04.txt AC 12 ms 640 KB
test_05.txt AC 14 ms 640 KB
test_06.txt AC 7 ms 384 KB
test_07.txt AC 7 ms 384 KB
test_08.txt AC 5 ms 384 KB
test_09.txt AC 1 ms 256 KB
test_10.txt WA 14 ms 640 KB
test_11.txt WA 8 ms 512 KB
test_12.txt AC 12 ms 640 KB
test_13.txt AC 11 ms 512 KB
test_14.txt AC 1 ms 256 KB
test_15.txt AC 13 ms 640 KB
test_16.txt AC 3 ms 256 KB
test_17.txt AC 2 ms 256 KB
test_18.txt AC 3 ms 256 KB
test_19.txt AC 1 ms 256 KB
test_20.txt AC 15 ms 1148 KB