Task: | Xor sum |
Sender: | ashum-ta |
Submission time: | 2024-09-23 16:58:49 +0300 |
Language: | C++ (C++20) |
Status: | READY |
Result: | TIME LIMIT EXCEEDED |
test | verdict | time | |
---|---|---|---|
#1 | ACCEPTED | 0.00 s | details |
#2 | TIME LIMIT EXCEEDED | -- | details |
Compiler report
input/code.cpp: In function 'int main()': input/code.cpp:22:19: warning: comparison of integer expressions of different signedness: 'int' and 'ull' {aka 'long long unsigned int'} [-Wsign-compare] 22 | for(int i=0; i<n; i++){ | ~^~ input/code.cpp:27:23: warning: comparison of integer expressions of different signedness: 'int' and 'ull' {aka 'long long unsigned int'} [-Wsign-compare] 27 | for (int i = 0; i < q; ++i) { | ~~^~~
Code
#pragma GCC optimize("O3")#pragma GCC optimize("unroll-loops")#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")#include <bits/stdc++.h>using namespace std;typedef unsigned long long ull;const int MAXN = (int)2e5 + 1;int xs[MAXN];int main(){ull n, q;ios::sync_with_stdio(false);cout.tie(0);cin >> n >> q;for(int i=0; i<n; i++){cin >> xs[i];}int a, b;for (int i = 0; i < q; ++i) {cin >> a >> b;int sum = 0;for (int j = a - 1; j <= b - 1; ++j) {sum ^= xs[j];}cout << sum << "\n";}return 0;}
Test details
Test 1
Verdict: ACCEPTED
input |
---|
8 36 7 6 4 6 2 9 4 8 1 1 1 2 1 3 ... |
correct output |
---|
7 1 5 3 1 ... |
user output |
---|
7 1 5 3 1 ... |
Test 2
Verdict: TIME LIMIT EXCEEDED
input |
---|
200000 200000 921726510 307633388 992247073 ... |
correct output |
---|
834756431 130379787 403037296 308618218 784778243 ... |
user output |
---|
(empty) |