Compilare: main.cpp: In function 'int main()': main.cpp:15:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (i=1; i<=n; i++) ^~~ main.cpp:17:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for (j=1; j<=m1; j++) ^~~ main.cpp:13:35: warning: unused variable 'y' [-Wunused-variable] long long n,x=0,i,j,m1,x1=1,t,y=0,r; ^