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Cod sursa(job #683291)
#include<fstream>
#include<algorithm>
using namespace std;
#define nmax 100003
#define inf 0x3f3f3f3f
long long b,c,x[nmax];
int a,n,m;
int main()
{
ifstream f("arbint.in");
ofstream g("arbint.out");
f>>n>>m;
for(int i=1;i<=n;i++)
f>>x[i];
for(int i=1;i<=m;i++)
{
f>>a>>b>>c;
if(a==1)
x[b]=c;
else
{
int max=-inf;
for(int j=b;j<=c;j++)
if(x[j]>max) max=x[j];
g<<max<<"\n";
}
}
return 0;
}