Submission #3014326


Source Code Expand

#include<bits/stdc++.h>
using namespace std;

const int MAX = 2 * 100005;
int A[MAX];

int main() {
    int N;
    scanf("%d", &N);
    for (int i = 0; i < N; i++) scanf("%d", &A[i]);
    int l, r, s, x;
    l = r = 0;
    s = x = A[0];
    long long ans = 0;
    while (r < N) {
        if (s == x) {
            ans += 1 + r - l;
            r++;
            s += A[r];
            x ^= A[r];
        } else {   
            s -= A[l];
            x ^= A[l];
            l++;
        }
    }
    printf("%lld\n", ans);
    return 0;
}

Submission Info

Submission Time
Task D - Xor Sum 2
User atumari
Language C++14 (GCC 5.4.1)
Score 500
Code Size 564 Byte
Status AC
Exec Time 21 ms
Memory 1024 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
                    ^
./Main.cpp:10:51: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     for (int i = 0; i < N; i++) scanf("%d", &A[i]);
                                                   ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 38
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_20.txt, subtask_1_21.txt, subtask_1_22.txt, subtask_1_23.txt, subtask_1_24.txt, subtask_1_25.txt, subtask_1_26.txt, subtask_1_27.txt, subtask_1_28.txt, subtask_1_29.txt, subtask_1_30.txt, subtask_1_31.txt, subtask_1_32.txt
Case Name Status Exec Time Memory
sample_01.txt AC 1 ms 256 KB
sample_02.txt AC 1 ms 256 KB
sample_03.txt AC 1 ms 256 KB
subtask_1_01.txt AC 1 ms 256 KB
subtask_1_02.txt AC 1 ms 256 KB
subtask_1_03.txt AC 13 ms 896 KB
subtask_1_04.txt AC 1 ms 256 KB
subtask_1_05.txt AC 10 ms 640 KB
subtask_1_06.txt AC 8 ms 512 KB
subtask_1_07.txt AC 2 ms 256 KB
subtask_1_08.txt AC 9 ms 512 KB
subtask_1_09.txt AC 12 ms 768 KB
subtask_1_10.txt AC 14 ms 768 KB
subtask_1_11.txt AC 15 ms 896 KB
subtask_1_12.txt AC 20 ms 1024 KB
subtask_1_13.txt AC 5 ms 512 KB
subtask_1_14.txt AC 4 ms 384 KB
subtask_1_15.txt AC 7 ms 512 KB
subtask_1_16.txt AC 1 ms 256 KB
subtask_1_17.txt AC 16 ms 1024 KB
subtask_1_18.txt AC 18 ms 1024 KB
subtask_1_19.txt AC 18 ms 1024 KB
subtask_1_20.txt AC 21 ms 1024 KB
subtask_1_21.txt AC 19 ms 1024 KB
subtask_1_22.txt AC 20 ms 1024 KB
subtask_1_23.txt AC 19 ms 1024 KB
subtask_1_24.txt AC 20 ms 1024 KB
subtask_1_25.txt AC 19 ms 1024 KB
subtask_1_26.txt AC 21 ms 1024 KB
subtask_1_27.txt AC 16 ms 1024 KB
subtask_1_28.txt AC 16 ms 1024 KB
subtask_1_29.txt AC 16 ms 1024 KB
subtask_1_30.txt AC 16 ms 1024 KB
subtask_1_31.txt AC 16 ms 1024 KB
subtask_1_32.txt AC 16 ms 1024 KB