Compilare: user.cpp: In function ‘int main()’: user.cpp:33:12: warning: unused variable ‘m’ [-Wunused-variable] int n, m, i, j, i2, j2, cx, k, c, unu, doi; ^ user.cpp:33:18: warning: unused variable ‘j’ [-Wunused-variable] int n, m, i, j, i2, j2, cx, k, c, unu, doi; ^ user.cpp:33:22: warning: unused variable ‘i2’ [-Wunused-variable] int n, m, i, j, i2, j2, cx, k, c, unu, doi; ^ user.cpp:33:26: warning: unused variable ‘j2’ [-Wunused-variable] int n, m, i, j, i2, j2, cx, k, c, unu, doi; ^ user.cpp:33:30: warning: unused variable ‘cx’ [-Wunused-variable] int n, m, i, j, i2, j2, cx, k, c, unu, doi; ^ user.cpp:74:33: warning: ‘doi’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<-unu<<" S\n"<<doi<<" D\n"; ^ user.cpp:79:28: warning: ‘unu’ may be used uninitialized in this function [-Wmaybe-uninitialized] fout<<doi<<" D\n"<<unu<<" D\n"; ^