Submission #1165641

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1165641	2025-03-12 07:03:23	phamducluong	Sum Zero (RMI20_sumzero)	C++20	61 / 100	217 ms	23524 KiB

sumzero

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#include <bits/stdc++.h>
using namespace std;
const int maxN  = 4e5 + 5;
vector<pair<pair<int, int>, int> > query;
bool cmp_query(const pair<pair<int, int>, int> &a, const pair<pair<int, int>, int> &b)
{
    return a.first.first > b.first.first;
}
map<long long, int> helper;
map<long long, int>::iterator m_iter;
int lq[maxN], val[maxN];
int last_l;
int calc(const int &l, const int &r)
{
    //cout << "Start " << l << ' ' << r << '\n';
    if(r < l)return 0;
    if(val[r])last_l = lq[r];
    val[r] = val[r] + calc(l, lq[r] - 1);
    lq[r] = (val[r] ? last_l : l);
    //cout << " Calc " << l << ' ' << r << ' ' << val[r] << '\n';
    return val[r];
}
int re[maxN];
int res[maxN];
 
 
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Compilation message (stderr)

sumzero.cpp: In function 'int main()':
sumzero.cpp:36:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         freopen("input.txt", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 22 / 22
• Subtask 2: 39 / 39
• Subtask 3: 0 / 39