제출 #1197734

#제출 시각아이디문제언어결과실행 시간메모리
1197734SzymonKrzywdaXORanges (eJOI19_xoranges)C++20
38 / 100
45 ms3144 KiB
#include <iostream>
#include <vector>
#include <string>
#include <unordered_map>
#include <queue>
#include <unordered_set>
#include <set>

using namespace std;


vector<int> ile(int n){
    vector<int> w(n, 0);

    for (int i = 1; i <= n; i++){
        for (int j = 0; j + i - 1 < n; j++){
            for (int k = j; k < j + i; k++) w[k]++;
        }
    }

    return w;
}




const int MAXN = 2 * 1e5 + 7;
int xortab[MAXN][2];


int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);


    int n, q, a, b, c;
    cin >> n >> q;

    for (int i = 1; i <= n; i++){
        cin >> xortab[i][i % 2];

        xortab[i][0] ^= xortab[i - 1][0];
        xortab[i][1] ^= xortab[i - 1][1];   
    }


    for (int i = 0; i < q; i++){
        cin >> a >> b >> c;

        if (a == 2){
            if ((c - b + 1) % 2 == 0) cout << 0 << '\n';
            else cout << (xortab[b - 1][b % 2] ^ xortab[c][b % 2]) << '\n';
        }
    }
    

    return 0;
}
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