이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <utility>
#include <algorithm>
#include <math.h>
#include <vector>
#include <set>
#include <iostream>
#include "seats.h"
#define fori(i,n) for(int i=0;i<n;i++)
#define forn(i,n) for(int i=1;i<n;i++)
#define forib(i,n) for(int i=n-1;i>=0;i--)
#define fornb(i,n) for(int i=n-1;i>0;i--)
#define maxl 10000000000
#define con continue;
typedef long long lol;
using namespace std;
typedef vector<int> veci;
typedef pair<lol,lol> point;
lol sum=1;
vector<int> r,c;
vector<int> mar,mac;
vector<int> mir,mic;
vector<veci> all;
veci minr,minc;
int h,w;
void give_initial_chart(int H, int W, std::vector<int> R, std::vector<int> C) {
r = R;
c = C;
h=H;
w=W;
mir.push_back(r[0]);
mar.push_back(r[0]);
mic.push_back(c[0]);
mac.push_back(c[0]);
forn(i,h*w){
mir.push_back(min(r[i],mir[i-1]));
mar.push_back(max(r[i],mar[i-1]));
mic.push_back(min(c[i],mic[i-1]));
mac.push_back(max(c[i],mac[i-1]));
if((mar[i]-mir[i]+1)*(mac[i]-mic[i]+1)==i+1){
sum++;
}
}
}
int swap_seats(int a, int b) {
if(a>b){
swap(a,b);
}
swap(c[a],c[b]);
swap(r[a],r[b]);
if(a==0){
mir[0]=r[0];
mar[0]=r[0];
mic[0]=c[0];
mac[0]=c[0];
a++;
}
for(int i=a;i<b;i++){
if((mar[i]-mir[i]+1)*(mac[i]-mic[i]+1)==i+1){
sum--;
}
}
for(int i=a;i<b;i++){
mir[i]=min(r[i],mir[i-1]);
mic[i]=min(c[i],mic[i-1]);
mar[i]=max(r[i],mar[i-1]);
mac[i]=max(c[i],mac[i-1]);
if((mar[i]-mir[i]+1)*(mac[i]-mic[i]+1)==i+1){
sum++;
}
}
return sum;
}
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