Eroare de compilare: main.cpp: In function 'int main()': main.cpp:35:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < pos[i].size(); ++j) ~~^~~~~~~~~~~~~~~ main.cpp:37:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k = j; k < pos[i].size(); ++k) ~~^~~~~~~~~~~~~~~ main.cpp:56:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(k + 1 == pos[i].size()) ~~~~~~^~~~~~~~~~~~~~~~ main.cpp:27:9: warning: unused variable 'rad' [-Wunused-variable] int rad = (int)sqrt(n); ^~~ main.cpp: At global scope: main.cpp:65:5: error: 'g' does not name a type g << sol; ^ main.cpp:66:5: error: expected unqualified-id before 'return' return 0; ^~~~~~ main.cpp:67:1: error: expected declaration before '}' token } ^