Compilare: main.cpp: In function 'void Cerinta2()': main.cpp:112:12: warning: unused variable 'j' [-Wunused-variable] 112 | int i, j; | ^ In file included from /usr/include/c++/12.2.1/istream:39, from /usr/include/c++/12.2.1/sstream:38, from /usr/include/c++/12.2.1/complex:45, from /usr/include/c++/12.2.1/ccomplex:39, from /usr/include/c++/12.2.1/x86_64-pc-linux-gnu/bits/stdc++.h:54, from main.cpp:1: In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'void Cerinta1()' at main.cpp:69:52: /usr/include/c++/12.2.1/ostream:202:25: warning: 'yf' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'void Cerinta1()': main.cpp:61:19: note: 'yf' was declared here 61 | long long xf, yf; | ^~ In member function 'std::basic_ostream<_CharT, _Traits>::__ostream_type& std::basic_ostream<_CharT, _Traits>::operator<<(long long int) [with _CharT = char; _Traits = std::char_traits<char>]', inlined from 'void Cerinta1()' at main.cpp:69:39: /usr/include/c++/12.2.1/ostream:202:25: warning: 'xf' may be used uninitialized [-Wmaybe-uninitialized] 202 | { return _M_insert(__n); } | ~~~~~~~~~^~~~~ main.cpp: In function 'void Cerinta1()': main.cpp:61:15: note: 'xf' was declared here 61 | long long xf, yf; | ^~ main.cpp:64:13: warning: 'z' may be used uninitialized [-Wmaybe-uninitialized] 64 | if(a[i][j] == z) | ^~ main.cpp:24:38: note: 'z' was declared here 24 | long long sol = 0, xs, ys, i, j, z; | ^ main.cpp:54:34: warning: 'ys' may be used uninitialized [-Wmaybe-uninitialized] 54 | else if(M[i].x == xs && M[i].y > ys) main.cpp:24:28: note: 'ys' was declared here 24 | long long sol = 0, xs, ys, i, j, z; | ^~ main.cpp:54:34: warning: 'xs' may be used uninitialized [-Wmaybe-uninitialized] 54 | else if(M[i].x == xs && M[i].y > ys) main.cpp:24:24: note: 'xs' was declared here 24 | long long sol = 0, xs, ys, i, j, z; | ^~