Submission #1285939

#TimeUsernameProblemLanguageResultExecution timeMemory
1285939nigarSouvenirs (IOI25_souvenirs)C++20
39 / 100
13 ms400 KiB
#include <bits/stdc++.h> #include "souvenirs.h" using namespace std; pair<vector<int>, long long> transaction(long long M); void buy_souvenirs(int n, long long P0) { pair<vector<int>, long long> vp; if (n==2){ transaction(P0-1); } else if (n==3){ vp=transaction(P0-1); if (vp.first.size()==1){ long long tt=vp.second; long long p2=P0-1-tt; transaction(p2-1); transaction(p2-1); } else{ long long tt=vp.second; long long p2=(P0-1-tt)/2; transaction(p2); } } else{ long long sm=n-2; for (int i=1; i<n; i++){ long long cnt=i-1; if (i==n-1){ cnt=sm; } vp=transaction(P0-1); long long tt=vp.second; if (vp.first.size()==2){sm--;tt++;} long long pk=P0-1-tt; P0=pk; for (int j=0; j<cnt; j++){ transaction(pk); } } } }
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