제출 #1029429

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1029429	2024-07-20 20:56:15	vjudge1	CATS (NOI14_cats)	C++17	0 / 25	45 ms	6224 KiB

cats

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#include "bits/stdc++.h"
using namespace std;
int main(){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    long long q, x, l, n;
    cin>>q;
    while(q--){
        cin>>x>>l>>n;
        long long Izquierda = 0;
        long long Derecha = l;
        long long Mejor = 0;
        while(1){
            long long Promedio = (Izquierda + Derecha) / 2;
            if(Promedio * 2 * n < l){
                Izquierda = Promedio + 1;
            } else {
                Derecha = Promedio - 1;
                Mejor = Promedio;
            }
            if(Izquierda >= Derecha + 1) break;
        }
        long long Respuesta = Mejor * 2 * n;
        if(Mejor % 2 == 1){
            x--;
            x %= 4;
            if(x == 0 or x == 3) cout<<Respuesta<<"\n";
            else cout<<Respuesta + 1<<"\n";
        } else {
            x--;
 
 
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