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Submission #992876

# Submission time Handle Problem Language Result Execution time Memory
992876 2024-06-05T08:03:25 Z n3rm1n Intergalactic ship (IZhO19_xorsum) C++17
0 / 100
 2000 ms 348 KB 
#include<bits/stdc++.h>
#define endl '\n'
#define ll long long
using namespace std;
const long long MAXN = 500;
void speed()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
}
long long n, m;
long long a[MAXN], aa[MAXN];
long long ql[MAXN], qr[MAXN], xx[MAXN];
long long mod = 1e9 + 7, total = 0;
void apply(long long subset)
{
    for (long long i = 1; i <= n; ++ i)
        aa[i] = a[i];
    for (long long i = 0; i < m; ++ i)
    {
        if((1 << i) & subset)
        {
            for (long long j = ql[i]; j <= qr[i]; ++ j)
                aa[i] = (aa[i] ^ xx[i]);

        }
    }
    long long ans = 0;
    for (long long i = 1; i <= n; ++ i)
    {
        long long current = 0;
        for (long long j = i; j <= n; ++ j)
        {
            current += a[j];
            current %= mod;
            ans += current * current;
            ans %= mod;
        }
    }
    total += ans;
    total %= mod;
}
void read()
{
    cin >> n;
    for (long long i = 1; i <= n; ++ i)
    {
        cin >> a[i];
    }
    long long pow = 1;
    cin >> m;
    for (long long i = 0; i < m; ++ i)
    {
        pow *= 2;
        cin >> ql[i] >> qr[i] >> xx[i];
    }
    for (long long i = 0; i < pow; ++ i)
    {
        apply(i);
    }
    cout << total% mod << endl;
}
int main()
{
    speed();
    read();
    return 0;
}

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2056 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #4
0 / 9.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2032 ms 344 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 8.0

# Verdict Execution time Memory Grader output
1 Execution timed out 2056 ms 348 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 2056 ms 348 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #7
0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #8
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #9
0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -