Submission #949469

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
949469	2024-03-19 09:25:46	hngwlog	Real Mountains (CCO23_day1problem2)	C++14	0 / 25	1 ms	348 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define _size(x) (int)x.size()
int n;
long long ans = 0;
vector<long long> h, newH;
void solve() {
    
    set<pair<long long, long long>> st;
    for (int i = 0; i < n; i++) {
        if (h[i] == newH[i]) {
            auto it = st.upper_bound({h[i], newH[i]});
            if (it == st.begin()) st.insert({h[i], newH[i]});
            else {
                it--;
                if (it->se < h[i]) st.insert({h[i], newH[i]});
            }
            continue;
        }
        vector<pair<long long, long long>> g;
        auto it = st.upper_bound({h[i], h[i]});
        if (it != st.begin()) {
            it--;
            if (it->se < h[i]) it++;
        }
 
 
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