Compilare: main.cpp: In function 'long long int gasesc(long long int, long long int, long long int)': main.cpp:13:8: warning: unused variable 'sol' [-Wunused-variable] ll sol = -1; ^~~ main.cpp: In function 'int main()': main.cpp:35:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for (i = 1; i <= n; i++) ^~~ main.cpp:38:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' for(i=1;i<n;i++) ^~~