1#include <stdio.h>
2#include <stdlib.h>
3
4int *xorQueries(int *arr, int arrSize, int **queries, int queriesSize, int *queriesColSize, int *returnSize) {
5    *returnSize = queriesSize;
6    int *result = (int *)malloc(sizeof(int) * queriesSize);
7    
8    for (int i = 0; i < queriesSize; i++) {
9        int left = queries[i][0], right = queries[i][1];
10        int xor_result = 0;
11        for (int j = left; j <= right; j++) {
12            xor_result ^= arr[j];
13        }
14        result[i] = xor_result;
15    }
16    return result;
17}
18
19int main() {
20    int arr[] = {1, 3, 4, 8};
21    int arrSize = 4;
22    int queries[][2] = {{0, 1}, {1, 2}, {0, 3}, {3, 3}};
23    int queriesSize = 4;
24    int queriesColSize[] = {2, 2, 2, 2};
25    int *resultSize = (int *)malloc(sizeof(int));
26    int **queriesPointer = (int **)malloc(queriesSize * sizeof(int *));
27    for (int i = 0; i < queriesSize; i++) {
28        queriesPointer[i] = queries[i];
29    }
30    int *result = xorQueries(arr, arrSize, queriesPointer, queriesSize, queriesColSize, resultSize);
31    for (int i = 0; i < *resultSize; i++) {
32        printf("%d ", result[i]);
33    }
34    free(resultSize);
35    free(result);
36    free(queriesPointer);
37    return 0;
38}

1