#include <bits/stdc++.h>
using namespace std;
int bit[1000010];
int h[100010];
void update(int i, int x) {
for(int j=i; j<=1000010; j+=j&-j){
bit[j] += x;
}
}
int query(int i) {
int soma = 0;
for(int j = i; j>0; j-=j&-j) {
soma+=bit[j];
}
return soma;
}
int main()
{
int n, m; scanf("%d %d", &n, &m);
scanf("%d", &h[1]);
for(int i=2;i<=n;i++){
scanf("%d", &h[i]);
update(min(h[i-1], h[i]), 1);
update(max(h[i-1], h[i])+1, -1);
}
for(int i=0;i<m;i++){
int t; scanf("%d", &t);
if(t==2){
int hq; scanf("%d", &hq);
printf("%d\n", query(hq));
}else if(t==1){
int pos, val; scanf("%d %d", &pos, &val);
if(pos==1){
//elimina a chain com o vertice seguinte
/*
for(int j=min(h[pos], h[pos+1]);j<=max(h[pos], h[pos+1]);j++){
sp[j]--;
}*/
update(min(h[pos], h[pos+1]), -1);
update(max(h[pos], h[pos+1]), 1);
//cria a chain(com a nova altura) com o vertice seguinte
/*
for(int j=min(val, h[pos+1]);j<=max(val, h[pos+1]);j++){
sp[j]++;
}*/
update(min(val, h[pos+1]), 1);
update(max(val, h[pos+1]), -1);
}else if(pos==n){
//elimina a chain com o vertice anterior
/*
for(int j=min(h[pos], h[pos-1]);j<=max(h[pos], h[pos-1]);j++){
sp[j]--;
}*/
update(min(h[pos], h[pos-1]), -1);
update(max(h[pos], h[pos-1]), 1);
//cria a chain(com a nova altura) com o vertice anterior
/*
for(int j=min(val, h[pos-1]);j<=max(val, h[pos-1]);j++){
sp[j]++;
}*/
update(min(val, h[pos-1]), 1);
update(max(val, h[pos-1]), 1);
}else{
//elimina a chain com o vertice seguinte
/*
for(int j=min(h[pos], h[pos+1]);j<=max(h[pos], h[pos+1]);j++){
sp[j]--;
}*/
update(min(h[pos], h[pos+1]), -1);
update(max(h[pos], h[pos+1]), 1);
//elimina a chain com o vertice anterior
/*
for(int j=min(h[pos], h[pos-1]);j<=max(h[pos], h[pos-1]);j++){
sp[j]--;
}*/
update(min(h[pos], h[pos-1]), -1);
update(max(h[pos], h[pos-1]), 1);
//cria a chain(com a nova altura) com o vertice seguinte
/*
for(int j=min(val, h[pos+1]);j<=max(val, h[pos+1]);j++){
sp[j]++;
}*/
update(min(val, h[pos+1]), 1);
update(max(val, h[pos+1]), -1);
//cria a chain(com a nova altura) com o vertice anterior
/*
for(int j=min(val, h[pos-1]);j<=max(val, h[pos-1]);j++){
sp[j]++;
}*/
update(min(val, h[pos-1]), 1);
update(max(val, h[pos-1]), 1);
}
h[pos] = val;
}
}
return 0;
}
Compilation message
game.cpp: In function 'int main()':
game.cpp:24:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
24 | int n, m; scanf("%d %d", &n, &m);
| ~~~~~^~~~~~~~~~~~~~~~~
game.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
25 | scanf("%d", &h[1]);
| ~~~~~^~~~~~~~~~~~~
game.cpp:27:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
27 | scanf("%d", &h[i]);
| ~~~~~^~~~~~~~~~~~~
game.cpp:32:21: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
32 | int t; scanf("%d", &t);
| ~~~~~^~~~~~~~~~
game.cpp:34:26: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
34 | int hq; scanf("%d", &hq);
| ~~~~~^~~~~~~~~~~
game.cpp:37:32: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
37 | int pos, val; scanf("%d %d", &pos, &val);
| ~~~~~^~~~~~~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
4052 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
4052 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
340 KB |
Output is correct |
| 2 |
Incorrect |
2 ms |
4052 KB |
Output isn't correct |
| 3 |
Halted |
0 ms |
0 KB |
- |
