此题数据是否过水？

#include<bits/stdc++.h>
using namespace std;
const int maxn=1e5+10;
struct node{
    int ma,shu;
}a[maxn];
inline int read(){
     int x=0,f=1;char ch=getchar();
     while(!isdigit(ch))f=ch!='-',ch=getchar();
     while(isdigit(ch))x=(x<<1)+(x<<3)+(ch^48),ch=getchar();
     return f?x:-x;
}
inline void write(int x)
{
	if(x<0)
	    putchar('-'),x=-x;
	if(x==0)
	{
	    putchar('0');
	    return ;
	}
	if(x>9)write(x/10);
	putchar(x%10+'0');
	return;
}
bool cmp(node x,node y){
    if(x.shu!=y.shu)return x.shu<y.shu;
    return x.ma<y.ma;
}
int main(){
    int n,q;
    n=read();q=read();
    for(int i=1;i<=n;i++){
        a[i].shu=read();
        a[i].ma=i;
    }
    stable_sort(a+1,a+n+1,cmp);
    int opt,x,v;
    while(q--){
        opt=read();
        if(opt==1){
            x=read();v=read();
            for(int i=1;i<=n;i++){
                if(x==a[i].ma){
                    a[i].shu=v;
                    break;
                }
            }
            stable_sort(a+1,a+n+1,cmp);
        }
        if(opt==2){
            v=read();
            for(int i=1;i<=n;i++){
                if(a[i].ma==v){
                    write(i);
                    putchar(10);
                    break;
                }
            }
        }
    }
    return 0;
}