이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<iostream>
#define DIM 100005
#define f first
#define s second
using namespace std;
int n, q, i, ii, x, y, t, sol;
int poz[3][DIM], v[3][DIM];
pair<long long, long long> aint[4 * DIM];
void update(int nod, int st, int dr, int p){
if(st == dr){
aint[nod].f = aint[nod].s = 2 * st - poz[0][ v[1][p] ] - poz[0][ v[2][p] ];
}
else{
int mid = (st + dr) / 2;
if(p <= mid){
update(2 * nod, st, mid, p);
}
else{
update(2 * nod + 1, mid + 1, dr, p);
}
aint[nod].s = aint[2 * nod].s + aint[2 * nod + 1].s;
aint[nod].f = max(aint[2 * nod].f, aint[2 * nod + 1].f + aint[2 * nod].s);
}
}
int query(int nod, int st, int dr){
if(st == dr){
return st;
}
else{
int mid = (st + dr) / 2;
if(aint[nod].f == aint[2 * nod].f){
return query(2 * nod, st, mid);
}
else{
return query(2 * nod + 1, mid + 1, dr);
}
}
}
int main(){
cin>> n >> q;
for(ii = 0; ii < 3; ii++){
for(i = 1; i <= n; i++){
cin>> v[ii][i];
poz[ii][ v[ii][i] ] = i;
}
}
for(i = 1; i <= n; i++){
update(1, 1, n, i);
}
sol = query(1, 1, n);
for(; q; q--){
cin>> t;
if(t == 1){
cin>> x;
if(poz[0][x] <= sol){
cout<<"DA\n";
}
else{
cout<<"NE\n";
}
}
else{
cin>> ii >> x >> y;
ii--;
swap(poz[ii][x], poz[ii][y]);
v[ii][ poz[ii][x] ] = x;
v[ii][ poz[ii][y] ] = y;
update(1, 1, n, poz[1][x]);
update(1, 1, n, poz[1][y]);
update(1, 1, n, poz[2][x]);
update(1, 1, n, poz[2][y]);
sol = query(1, 1, n);
}
}
}
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