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Zengtudor 2024-10-03 00:40:29 +08:00
parent c31e0b08dd
commit 998e27437d
1 changed files with 23 additions and 16 deletions
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39
P1311/P1311.cpp
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@ -1,24 +1,31 @@
#include <cstddef>
#include <iostream>
#include <ranges>
#include<iostream>
using std::iostream,std::cin,std::cout;
constexpr const auto range = std::ranges::views::iota;
using std::cin,std::cout,std::iostream;
const int MAX_N {(size_t)2e5+5},MAX_COLOR {50+5};
int n,k,p;
int ans;
struct Hotel{
int color,min_cost;
}hotel[MAX_N];
const int MAX_COLOR = 50+5;
int price,color,n,k,p,last_coffee_shop,last_hotel[MAX_COLOR],left_hotel_num[MAX_COLOR],cnt_hotel_num[MAX_COLOR],ans;
int main(){
iostream::sync_with_stdio(false),cin.tie(nullptr),cout.tie(nullptr);
iostream::sync_with_stdio(false),cin.tie(0),cout.tie(0);
cin>>n>>k>>p;
for(const int i:range(1,n+1)){
cin>>hotel[i].color>>hotel[i].min_cost;
for(int i=1;i<=n;i++){
cin>>color>>price;
if(price<=p){
last_coffee_shop = i;
}
if(last_hotel[color] <= last_coffee_shop){
left_hotel_num[color] = cnt_hotel_num[color];
}
last_hotel[color]=i;
ans+=left_hotel_num[color];
cnt_hotel_num[color]++;
}
cout<<ans<<"\n";
}