oj.uz

Submission #956497

# Submission time Handle Problem Language Result Execution time Memory
956497 2024-04-02T05:47:14 Z Darren0724 Intergalactic ship (IZhO19_xorsum) C++17
0 / 100
 2000 ms 2640 KB 
#include <bits/stdc++.h>
using namespace std;
#define LCBorz ios_base::sync_with_stdio(false); cin.tie(0);
#define int long long
#define all(x) x.begin(), x.end()
#define endl '\n'
const int N=200005;
const int INF=1e18;
const int mod=1e9+7;
int n,ans=0;
vector<int> v(N);
void cal(){
    int total=0;
    for(int mask=0;mask<(1<<n);mask++){
        int cnt=0;
        for(int j=1;j<=n;j++){
            if(mask&(1<<(j-1))){
                cnt+=v[j];
            }
        }
        total+=cnt*cnt;
        total%=mod;
    }
    ans=(ans+total)%mod;    
}
int32_t main() {
    LCBorz;
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>v[i];
    }
    cal();
    int q;cin>>q;
    for(int i=0;i<q;i++){
        int a,b,c;cin>>a>>b>>c;
        for(int j=a;j<=b;j++){
            v[j]^=c;
        }
        cal();
    }
    cout<<ans<<endl;

    return 0;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Incorrect 1 ms 1884 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Incorrect 1 ms 1884 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 158 ms 2640 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 126 ms 1884 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2061 ms 1884 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #6
0 / 11.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2061 ms 1884 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Incorrect 1 ms 1884 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Incorrect 1 ms 1884 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #9
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1884 KB Output is correct
2 Incorrect 1 ms 1884 KB Output isn't correct
3 Halted 0 ms 0 KB -