Compilare: main.cpp: In function 'int P(int, int, int)': main.cpp:25:6: warning: unused variable 'mij' [-Wunused-variable] 25 | {int mij, poz; | ^~~ main.cpp: In function 'int main()': main.cpp:56:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 56 | {for(int j=0;j<v[i].size();j++) | ~^~~~~~~~~~~~ main.cpp: In function 'int P(int, int, int)': main.cpp:34:13: warning: 'poz' may be used uninitialized [-Wmaybe-uninitialized] 34 | return poz-1; | ^ main.cpp:25:11: note: 'poz' was declared here 25 | {int mij, poz; | ^~~ In function 'int P(int, int, int)', inlined from 'int main()' at main.cpp:75:17: main.cpp:34:13: warning: 'poz' may be used uninitialized [-Wmaybe-uninitialized] 34 | return poz-1; | ^ main.cpp: In function 'int main()': main.cpp:25:11: note: 'poz' was declared here 25 | {int mij, poz; | ^~~