Submission #636569

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
636569	2022-08-29 15:03:31	danikoynov	Sum Zero (RMI20_sumzero)	C++14	100 / 100	748 ms	20156 KiB

sumzero

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#include<bits/stdc++.h>
#define endl '\n'
using namespace std;
typedef long long ll;
const int maxn = 4e5 + 10, maxlog = 3, base = 100;
int n, dp[maxlog][maxn], q;
void solve()
{
    cin >> n;
    ll x, sum = 0;
    int cl = -1;
        unordered_map < ll, int > last;
    for (int i = 1; i <= n; i ++)
    {
        cin >> x;
        sum = sum + x;
        if (last[sum] != 0 || sum == 0)
        cl = max(cl, last[sum]);
        last[sum] = i;
        dp[0][i] = cl;
    }
    dp[0][0] = -1;
    for (int j = 1; j < maxlog; j ++)
    {
        dp[j][0] = -1;
        for (int i = 1; i <= n; i ++)
        {
            dp[j][i] = dp[j - 1][i];
 
 
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Compilation message (stderr)

sumzero.cpp: In function 'void solve()':
sumzero.cpp:41:30: warning: unused variable 'f' [-Wunused-variable]
   41 |     int l, r, jump, st, bit, f;
      |                              ^

• Subtask 1: 22 / 22
• Subtask 2: 39 / 39
• Subtask 3: 39 / 39