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Cod sursa(job #559932)
#include<fstream>
#include<vector>
using namespace std;
int a[100001],m,n;
int main()
{
int x,y,z,i,j;
ifstream f ("arbint.in");
ofstream fout("arbint.out");
f>>n>>m;
for (i=1;i<=n;i++)
f>>a[i];
for (i=1;i<=m;i++)
{
f>>x>>y>>z;
if (x==0)
{
int maxim = a[y];
for (j=y+1;j<=z;j++)
if(maxim < a[j]) maxim = a[j];
fout<<maxim<<"\n";
}
else
a[y]=a[z];
}
f.close();
fout.close();
return 0;
}