Compilare: main.cpp: In function 'int zero(int)': main.cpp:18:18: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 18 | if(v[mij]<x){ | ~~~~~~^~ main.cpp:21:23: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 21 | else if(v[mij]==x){ | ~~~~~~^~~ main.cpp: In function 'int unu(int)': main.cpp:36:18: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 36 | if(v[mij]<=x){ | ~~~~~~^~~ main.cpp: In function 'int doi(int)': main.cpp:50:18: warning: comparison of integer expressions of different signedness: 'unsigned int' and 'int' [-Wsign-compare] 50 | if(v[mij]>=x){ | ~~~~~~^~~ main.cpp: In function 'int main()': main.cpp:65:8: warning: statement has no effect [-Wunused-value] 65 | in >> n; | ~~~^~~~ main.cpp:67:12: warning: statement has no effect [-Wunused-value] 67 | in >> v[i]; | ~~~^~~~~~~ main.cpp:69:8: warning: statement has no effect [-Wunused-value] 69 | in >> nr_i; | ~~~^~~~~~~ main.cpp:71:12: warning: statement has no effect [-Wunused-value] 71 | in >> in; | ~~~^~~~~ main.cpp:72:12: warning: statement has no effect [-Wunused-value] 72 | in >> x; | ~~~^~~~ main.cpp:70:14: warning: 'nr_i' is used uninitialized in this function [-Wuninitialized] 70 | for(i=1;i<=nr_i;i++){ | ~^~~~~~ main.cpp:73:9: warning: 'in' may be used uninitialized in this function [-Wmaybe-uninitialized] 73 | if(in==0) | ^~ main.cpp:18:9: warning: 'x' may be used uninitialized in this function [-Wmaybe-uninitialized] 18 | if(v[mij]<x){ | ^~ main.cpp:64:18: note: 'x' was declared here 64 | unsigned int x; | ^