Submission #1173807

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1173807	2025-03-26 03:14:27	therickyzhang	Sum Zero (RMI20_sumzero)	C++20	61 / 100	1096 ms	20856 KiB

sumzero

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#include "bits/stdc++.h"
using namespace std;
const int maxn = 4e5 + 5;
const int LG = 8;
int n;
long long prf[maxn];
int ord[maxn];
int up[maxn][LG + 1];
void solve() {
  cin >> n;
  for (int i = 1; i <= n; ++i) {
    int x; cin >> x;
    prf[i] = prf[i - 1] + x;
    ord[i] = i;
  }
  sort(ord, ord + n + 1, [](const int &x, const int &y) -> bool {
    return (prf[x] != prf[y] ? prf[x] < prf[y] : x < y);
  });
  up[n + 1][0] = n + 2;
  up[n + 2][0] = n + 2;
  for (int i = 1; i <= n; ++i) up[i][0] = n + 2;
  for (int i = 0; i <= n; ++i) {
    int cur = 0;
    while (i + cur <= n and prf[ord[i]] == prf[ord[i + cur]]) {
      ++cur;
    }
    for (int j = i + 1; j < i + cur; ++j) {
 
 
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• Subtask 1: 22 / 22
• Subtask 2: 39 / 39
• Subtask 3: 0 / 39