Submission #520391

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
520391	2022-01-29 18:31:49	Alex_tz307	Sum Zero (RMI20_sumzero)	C++17	100 / 100	275 ms	20420 KiB

sumzero

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#include <bits/stdc++.h>
using namespace std;
const int kN = 4e5;
int nxt[1 + kN], jump[1 + kN + 1 + 1];
int64_t sum[1 + kN];
struct query {
  int l, r, ans;
} q[1 + kN];
void testCase() {
  int n;
  cin >> n;
  for (int i = 1; i <= n; ++i) {
    cin >> sum[i];
    sum[i] += sum[i - 1];
  }
  multiset<int64_t> sums{0};
  int r = 0;
  for (int l = 1; l <= n; ++l) {
    while (r <= n) {
      if (sums.count(sum[r]) >= 2) {
        break;
      }
      r += 1;
      sums.emplace(sum[r]);
    }
    nxt[l] = r + 1;
 
 
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• Subtask 1: 22 / 22
• Subtask 2: 39 / 39
• Subtask 3: 39 / 39