제출 #1306112

#제출 시각아이디문제언어결과실행 시간메모리
1306112exoworldgdSouvenirs (IOI25_souvenirs)C++20
7 / 100
13 ms860 KiB
#include <bits/stdc++.h> #include "souvenirs.h" #define ll long long #define exoworldgd cin.tie(0)->sync_with_stdio(0),cout.tie(0) using namespace std; int N,b[105]; ll p[105]; void f(int idx,ll up) { if(idx>=N||p[idx]^-1)return; auto[it,ch]=transaction(up-1); idx=it[0]; for(int t:it)b[t]++; while(it.size()>1) { if(p[it.back()]^-1)f(it.back(),(up-1-ch)/it.size()+1); ch+=p[it.back()],it.pop_back(); } p[idx]=up-1-ch,f(idx+1,p[idx]); } void buy_souvenirs(int n, ll P0) { N=n; for(int i=0;i<N;i++)p[i]=-1,b[i]=0; p[0]=P0,f(1,P0); for(int i=1;i<N;i++) { while(b[i]<i) { auto[it,ch]=transaction(p[i]); for(int t:it)b[t]++; } } }
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