제출 #1045949

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1045949	2024-08-06 08:41:15	vjudge1	Rectangles (IOI19_rect)	C++17	72 / 100	5067 ms	1044024 KiB

rect

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#include "rect.h"
#include<bits/stdc++.h>
using namespace std;
set<int>pos[2501][2501],pos2[2501][2501],stb[2501][20];
set<int> operator & (const set<int>&a,const set<int>&b){
    set<int>c;
    if(a.size()<b.size()){
        for(auto i:a)
            if(b.count(i))
                c.insert(i);
    } else for(auto i:b)
        if(a.count(i))
            c.insert(i);
    return c;
}
vector<array<int,4>> ops;
int CC;
vector<int>res;
int cnt(int l,int r,int col){
    /*int x=31-__builtin_clz(r-l+1);
    set<int>k=stb[l][x]&stb[r-(1<<x)+1][x];*/
    set<int>k=stb[l][0];
    for(int i=l;i++<r;)
        k=k&stb[i][0];
    return distance(k.begin(),k.upper_bound(res[CC++]));
}
int calc(int r1,int r2,int beg){
    while(stb[++beg][0].count(r2));
    return beg-1;
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

rect.cpp: In function 'long long int count_rectangles(std::vector<std::vector<int> >)':
rect.cpp:78:50: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   78 |                 stb[i][j]=stb[i][j-1]&stb[i+(1<<j-1)][j-1];
      |                                                 ~^~
rect.cpp:88:46: warning: suggest parentheses around '-' inside '<<' [-Wparentheses]
   88 |             stb[i][j]=stb[i][j-1]&stb[i+(1<<j-1)][j-1];
      |                                             ~^~

• Subtask 1: 8 / 8
• Subtask 2: 7 / 7
• Subtask 3: 12 / 12
• Subtask 4: 22 / 22
• Subtask 5: 10 / 10
• Subtask 6: 13 / 13
• Subtask 7: 0 / 28