oj.uz

Submission #634027

# Submission time Handle Problem Language Result Execution time Memory
634027 2022-08-23T17:31:30 Z antimirage XORanges (eJOI19_xoranges) C++14
55 / 100
 1000 ms 3028 KB 
#include <iostream>
#include <algorithm>
#include <vector>
#include <math.h>
#include <set>
#include <map>

using namespace std;

const int N = 1e6 + 5;

int n, q, a[N], type, l, r;

main(){
    cin >> n >> q;
    for (int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    while (q--) {
        cin >> type >> l >> r;
        if (type == 1) {
            a[l] = r;
        } else {
            if ((r - l + 1) & 1) {
                int ans = 0;
                for (int i = l; i <= r; i += 2) {
                    ans ^= a[i];
                }
                cout << ans << endl;
            } else {
                puts("0");
            }
        }
    }
}

Compilation message

xoranges.cpp:14:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   14 | main(){
      | ^~~~

Subtask #1
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #2
18.0 / 18.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 2 ms 316 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct

Subtask #3
25.0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 9 ms 428 KB Output is correct
12 Correct 9 ms 340 KB Output is correct
13 Correct 16 ms 340 KB Output is correct
14 Correct 17 ms 420 KB Output is correct

Subtask #4
0 / 20.0

# Verdict Execution time Memory Grader output
1 Execution timed out 1075 ms 3028 KB Time limit exceeded
2 Halted 0 ms 0 KB -

Subtask #5
0 / 25.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 2 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 2 ms 316 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 9 ms 428 KB Output is correct
12 Correct 9 ms 340 KB Output is correct
13 Correct 16 ms 340 KB Output is correct
14 Correct 17 ms 420 KB Output is correct
15 Execution timed out 1075 ms 3028 KB Time limit exceeded
16 Halted 0 ms 0 KB -