Compilare: main.cpp: In function 'void cazapa()': main.cpp:23:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=x-1;i<=x+1 && i<n;i++) ~^~ main.cpp:24:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=y-1;j<=y+1 && j<m;j++) ~^~ main.cpp: In function 'void cazmal()': main.cpp:55:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=x-1;i<=x+1 && i<n;i++) ~^~ main.cpp:56:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=y-1;j<=y+1 && j<m;j++) ~^~ main.cpp: In function 'int main()': main.cpp:93:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<n;i++) ~^~ main.cpp:95:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<m;k++) ~^~ main.cpp:100:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<=q;i++) ~^~~ main.cpp:102:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j=0;j<n;j++) ~^~ main.cpp:103:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0;k<m;k++) ~^~