/in/foo.cc: In function 'int main()':
/in/foo.cc:26:21: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'long int*' [-Wformat=]
     scanf("%d",&a[i]);
                     ^
/in/foo.cc:25:4: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
    for(i=1;i<=m;i++)
    ^~~
/in/foo.cc:27:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for'
     sum=99999;
     ^~~