Submission #891894

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
891894	2023-12-24 11:39:19	asdasdqwer	Fancy Fence (CEOI20_fancyfence)	C++14	100 / 100	25 ms	11088 KiB

fancyfence

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#include <bits/stdc++.h>
using namespace std;
#define int int64_t
#define pii pair<int,int>
const int MOD = 1e9 + 7;
signed main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    
    int n;cin>>n;
    vector<int> h(n), w(n);
    for (int &x:h)cin>>x;
    for (int &x:w)cin>>x;
    vector<bool> era(n, false);
    vector<int> pv(n, 0);
    for (int i=1;i<n;i++) {
        if (h[i] == h[i-1]) {
            era[i]=true;
            pv[i]=pv[i-1];
            w[pv[i]]+=w[i];
        }
        else {
            pv[i]=i;
        }
    }
 
 
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