Submission #1137846

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
1137846	2025-01-21 00:21:58	nikolashami	Trampoline (info1cup20_trampoline)	C++20	100 / 100	1291 ms	68660 KiB

trampoline

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#include<bits/stdc++.h>
using namespace std;
using ll=long long;
const int mod=1e9+7,T=69420;
struct ah{size_t operator()(const array<int,2>&a)const{return (int)((ll)a[0]*T+(ll)a[1])%mod;}};
int R,C,n,t;
unordered_map<int,set<int>>rw;
unordered_map<array<int,2>,int,ah>hsh;
vector<array<int,2>>zel;
set<array<int,2>>ss;
const int N=(1<<18)+22;
array<int,2>dehsh[N];
int go[N][19];
signed main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    
    cin>>R>>C>>n;
    for(int i=0;i<n;++i){
      int x,y;
      cin>>x>>y;
      rw[x].insert(y);
      ss.insert({x,y});
      zel.push_back({x,y});
    }
 
 
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• Subtask 5: 27 / 27