#include <bits/stdc++.h>
using namespace std;
#define ll long long
// #define int ll
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define REP(i, n) FOR(i, 0, n)
#define REP1(i, n) FOR(i, 1, n+1)
#define RREP(i, n) for (int i = (n)-1; i >= 0; i--)
#define pii pair<int, int>
#define ppi pair<pii, int>
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) (int)((x).size())
#define f first
#define s second
#define pb push_back
//#define endl '\n'
#define IOS() ios::sync_with_stdio(false), cin.tie(0), cout.tie(0)
const ll maxn = 1e6+5;
const ll bloc = 63000;
int toadp[bloc];
int toadm[bloc];
signed main(){
// IOS();
int n; cin>>n;
int x;
REP(i, n){
scanf("%d", x);
x += 1000000049;
//assert(x <= 1000000000);
toadp[x/bloc] ^= x;
toadm[x%bloc] ^= x;
}
int dif = 0;
REP(i, bloc){
if (toadp[i] > 0){
dif++;
}
}
if (dif == 2){
REP(i, bloc){
if (toadp[i] > 0) cout<<toadp[i]-1000000049<<' ';
}
cout<<endl;
}
else {
REP(i, bloc){
if (toadm[i] > 0) cout<<toadm[i]-1000000049<<' ';
}
cout<<endl;
}
}
Compilation message
socks.cpp: In function 'int main()':
socks.cpp:29:17: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'int' [-Wformat=]
29 | scanf("%d", x);
| ~^ ~
| | |
| | int
| int*
socks.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
29 | scanf("%d", x);
| ~~~~~^~~~~~~~~
socks.cpp:27:9: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized]
27 | int x;
| ^
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Runtime error |
1 ms |
348 KB |
Execution killed with signal 11 |
| 2 |
Halted |
0 ms |
0 KB |
- |
