Compilare: main.cpp: In function 'void sol(int, int, int, int)': main.cpp:29:13: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(i==n) ^~ main.cpp:31:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' ck2=1; ^~~ main.cpp: In function 'int main()': main.cpp:112:17: warning: unused variable 'su' [-Wunused-variable] int n,m,h,p,su=0; ^~