Compilare: main.cpp: In function 'int main()': main.cpp:31:29: warning: unused variable 'res' [-Wunused-variable] 31 | int n, m, i, j, max, k, res, cer, maxlin, maxcol; | ^~~ main.cpp:98:14: warning: 'maxcolor' may be used uninitialized [-Wmaybe-uninitialized] 98 | out<<maxcolor; | ^~~~~~~~ main.cpp:32:14: note: 'maxcolor' was declared here 32 | char ch, maxcolor; | ^~~~~~~~ main.cpp:97:35: warning: 'maxcol' may be used uninitialized [-Wmaybe-uninitialized] 97 | out<<maxlin<<" "<<maxcol<<'\n'; | ^~~~ main.cpp:31:47: note: 'maxcol' was declared here 31 | int n, m, i, j, max, k, res, cer, maxlin, maxcol; | ^~~~~~ main.cpp:97:22: warning: 'maxlin' may be used uninitialized [-Wmaybe-uninitialized] 97 | out<<maxlin<<" "<<maxcol<<'\n'; | ^~~ main.cpp:31:39: note: 'maxlin' was declared here 31 | int n, m, i, j, max, k, res, cer, maxlin, maxcol; | ^~~~~~ main.cpp:86:25: warning: 'max' may be used uninitialized [-Wmaybe-uninitialized] 86 | if(area>max) | ^~ main.cpp:31:21: note: 'max' was declared here 31 | int n, m, i, j, max, k, res, cer, maxlin, maxcol; | ^~~