Compilare: main.cpp: In function 'int main()': main.cpp:23:19: warning: unused variable 'k' [-Wunused-variable] int n, m, k, xr, xj, yr, yj, minn=210000000; ^ main.cpp:32:60: warning: array subscript is below array bounds [-Warray-bounds] r[0][j] = r[n + 1][j] = jj[0][j] = jj[n + 1][j] =-1; ~~~~~~~~^ main.cpp:32:34: warning: array subscript is below array bounds [-Warray-bounds] r[0][j] = r[n + 1][j] = jj[0][j] = jj[n + 1][j] =-1; ~~~~~~~^ main.cpp:48:19: warning: 'yr' may be used uninitialized in this function [-Wmaybe-uninitialized] r[yr][xr] = 1; ~~~~~~~~~~^~~ main.cpp:48:19: warning: 'xr' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:67:20: warning: 'yj' may be used uninitialized in this function [-Wmaybe-uninitialized] jj[yj][xj] = 1; ~~~~~~~~~~~^~~ main.cpp:67:20: warning: 'xj' may be used uninitialized in this function [-Wmaybe-uninitialized] main.cpp:103:30: warning: 'xx' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<minn<<" "<<xx<<" "<<yy; ^~~ main.cpp:103:37: warning: 'yy' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<minn<<" "<<xx<<" "<<yy; ^