Compilare: main.cpp: In function 'int main()': main.cpp:27:5: warning: this 'if' clause does not guard... [-Wmisleading-indentation] 27 | if(d * d == b) | ^~ main.cpp:29:2: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if' 29 | for(int i = 0; i < nr; i++) { | ^~~ main.cpp:55:21: warning: format '%d' expects argument of type 'int', but argument 3 has type 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wformat=] 55 | fprintf(fout, "%d\n", ans.size()); | ~^ ~~~~~~~~~~ | | | | int std::vector<std::pair<long long int, long long int> >::size_type {aka long unsigned int} | %ld