Submission #3009989

---

Source Code Expand

#include <bits/stdc++.h>

using namespace std;
typedef long long LL;
const int MAXN = 234567;
LL presum[MAXN];
LL prexor[MAXN];

int main() {
    int N;
    while (~scanf("%d", &N)) {
          presum[0] = prexor[0] = 0;
          for (int i = 1; i <= N; i++) {
              int tmp;
              scanf("%d", &tmp);
              presum[i] = presum[i - 1] + tmp;
              prexor[i] = prexor[i - 1] ^ tmp;
          }
          int l = 1;
          LL ans = 0;
          for (int i = 1; i <= N; i++) {
              while ((presum[i] - presum[l - 1]) != (prexor[i] ^ prexor[l - 1]))
                    l++;
              ans += (i - l + 1);
          }
          printf("%lld\n", ans);
    }
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:15:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
               scanf("%d", &tmp);
                                ^

Judge Result