#include<math.h>
#include<stdio.h>
int main()
{
int arr[][5]={{11,12},{21,22},{31,32},{41,42},{51,52}};
int i, j;
arr[4][0]=61; arr[4][1]=62;
for (i=0;i<5;i++)
{
for (j=0;j<2;j++)
{
}
}
}
I2luY2x1ZGU8bWF0aC5oPgojaW5jbHVkZTxzdGRpby5oPgoKaW50IG1haW4oKQp7CiAgaW50IGFycltdWzVdPXt7MTEsMTJ9LHsyMSwyMn0sezMxLDMyfSx7NDEsNDJ9LHs1MSw1Mn19OwogIGludCBpLCBqOwogIGFycls0XVswXT02MTsgYXJyWzRdWzFdPTYyOwogIGZvciAoaT0wO2k8NTtpKyspCiAgewogICAgZm9yIChqPTA7ajwyO2orKykKICAgIHsKICAgICAgcHJpbnRmICgiJWQgIiwgYXJyW2ldW2pdKTsKICAgIH0KICAgIHByaW50ZiAoIlxuIik7CiAgfQp9