oj.uz

Submission #229729

# Submission time Handle Problem Language Result Execution time Memory
229729 2020-05-06T08:04:22 Z Coder XORanges (eJOI19_xoranges) C++14
12 / 100
 1000 ms 3320 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pii;
#define SZ(x) (int)(x.size())
#define F0(i,n) for(int i=0;i<n;i++)
#define F1(i,n) for(int i=1;i<=n;i++)
#define CL(a,x) memset(x, a, sizeof(x));
#define PR(x) cerr << #x << "=" << (x) << endl;
const int inf = 1000000009;
const double pi = atan(1.0)*4.0;
const double eps = 1e-8;
const int N = 200001;
int i, j, k, m, n;
int a[N];

int main() {
    //freopen("x.in", "r", stdin);

    int q, t;
    cin >> n >> q;
    F1(i, n) cin >> a[i];
    while (q--) {
        cin >> t >> i >> j;
        if (t == 1) {
            a[i] = j;
        } else {
            int ret = 0;
            for (int L = i; L <= j; L++) {
                for (int R = L; R <= j; R++) {
                    for (int x = L; x <= R; x++) ret ^= a[x];
                }
            }
            cout << ret << endl;
        }
    }


    return 0;
}

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 128 KB Output is correct
2 Correct 6 ms 256 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 10 ms 256 KB Output is correct
5 Correct 10 ms 256 KB Output is correct

Subtask #2
0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 658 ms 384 KB Output is correct
2 Correct 572 ms 384 KB Output is correct
3 Correct 748 ms 384 KB Output is correct
4 Execution timed out 1087 ms 384 KB Time limit exceeded
5 Halted 0 ms 0 KB -

Subtask #3
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 128 KB Output is correct
2 Correct 6 ms 256 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 10 ms 256 KB Output is correct
5 Correct 10 ms 256 KB Output is correct
6 Correct 658 ms 384 KB Output is correct
7 Correct 572 ms 384 KB Output is correct
8 Correct 748 ms 384 KB Output is correct
9 Execution timed out 1087 ms 384 KB Time limit exceeded
10 Halted 0 ms 0 KB -

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1094 ms 3320 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 128 KB Output is correct
2 Correct 6 ms 256 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 10 ms 256 KB Output is correct
5 Correct 10 ms 256 KB Output is correct
6 Correct 658 ms 384 KB Output is correct
7 Correct 572 ms 384 KB Output is correct
8 Correct 748 ms 384 KB Output is correct
9 Execution timed out 1087 ms 384 KB Time limit exceeded
10 Halted 0 ms 0 KB -