Compilare: main.cpp: In function 'int main()': main.cpp:44:37: warning: variable 'si' set but not used [-Wunused-but-set-variable] int n, m, i, j, xr, yr, xj, yj, si = -1, sj = -1; ^~ main.cpp:68:31: warning: 'yj' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(xj, yj, n, m, julieta); ^ main.cpp:68:31: warning: 'xj' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:67:29: warning: 'yr' may be used uninitialized in this function [-Wmaybe-uninitialized] lee(xr, yr, n, m, romeo); ^ main.cpp:67:29: warning: 'xr' may be used uninitialized in this function [-Wmaybe-uninitialized]