Submission #873363

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
873363	2023-11-14 23:25:09	ofrankel	Naan (JOI19_naan)	C++17	100 / 100	672 ms	163676 KiB

naan

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#include<bits/stdc++.h>
using namespace std;
#define ll __int128_t
int n,l;
vector<vector<int>>v;
ll gc(ll a,ll b){
    if(!b)return a;
    return gc(b,a%b);
}
class frac{
public:
    ll a,b;
    frac(ll _a,ll _b):a(_a),b(_b){reduce();}
    frac(ll x):a(x),b(1){}
    void reduce(){if(ll g=gc(a,b)){a/=g;b/=g;}}
    bool operator <(const frac& other){return a*other.b<other.a*b;}
    frac operator +( const frac& other){return frac(a*other.b+b*other.a,b*other.b);}
};
pair<vector<pair<ll,ll>>,vector<int>> solve(int N,int L,vector<vector<int>>V){
    n=N;l=L;v=move(V);
    vector<int>was(n);
    vector<int>p(n);
    vector<pair<ll,ll>>t(n-1);
    vector<ll>s(n);for(int i=0;n>i;++i)for(int j:v[i])s[i]+=j;
    vector<vector<frac>>g(n,vector<frac>(n-1,l));
    for(int i=0;n>i;++i){
        int ind=0;ll kam=0;
        for(int j=0;n>j+1;++j){
    if(v[i][ind]*n>=kam+s[i]){
      g[i][j]=frac((ll)v[i][ind]*n*ind+kam+s[i],v[i][ind]*n);
 
 
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• Subtask 1: 5 / 5
• Subtask 2: 24 / 24
• Subtask 3: 71 / 71