Compilare: main.cpp: In function 'long long unsigned int solve(long long unsigned int, long long unsigned int, long long unsigned int)': main.cpp:10:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] if(nr%k2==r)return 1;return 0; ^~ main.cpp:10:26: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'if' if(nr%k2==r)return 1;return 0; ^~~~~~ main.cpp: In function 'int main()': main.cpp:18:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=n;i++) ~^~~