Compilare: main.cpp: In function 'int main()': main.cpp:58:9: warning: unused variable 'nrp' [-Wunused-variable] int nrp; ^~~ main.cpp:59:9: warning: unused variable 'x1' [-Wunused-variable] int x1=0,y1=0,dif1=0,dif2=0; ^~ main.cpp:59:14: warning: unused variable 'y1' [-Wunused-variable] int x1=0,y1=0,dif1=0,dif2=0; ^~ main.cpp:59:19: warning: unused variable 'dif1' [-Wunused-variable] int x1=0,y1=0,dif1=0,dif2=0; ^~~~ main.cpp:59:26: warning: unused variable 'dif2' [-Wunused-variable] int x1=0,y1=0,dif1=0,dif2=0; ^~~~ main.cpp:60:9: warning: unused variable 'ok_seg' [-Wunused-variable] int ok_seg; ^~~~~~ main.cpp:40:38: warning: 'maxb2' may be used uninitialized in this function [-Wmaybe-uninitialized] arie = abs(maxb1-minb1)*abs(maxb2-minb2)*1.0f; ~~~~~^~~~~~ main.cpp:55:30: note: 'maxb2' was declared here int minb1, minb2, maxb1, maxb2; ^~~~~ main.cpp:40:21: warning: 'maxb1' may be used uninitialized in this function [-Wmaybe-uninitialized] arie = abs(maxb1-minb1)*abs(maxb2-minb2)*1.0f; ~~~~~^~~~~~ main.cpp:55:23: note: 'maxb1' was declared here int minb1, minb2, maxb1, maxb2; ^~~~~ main.cpp:40:38: warning: 'minb2' may be used uninitialized in this function [-Wmaybe-uninitialized] arie = abs(maxb1-minb1)*abs(maxb2-minb2)*1.0f; ~~~~~^~~~~~ main.cpp:55:16: note: 'minb2' was declared here int minb1, minb2, maxb1, maxb2; ^~~~~ main.cpp:40:21: warning: 'minb1' may be used uninitialized in this function [-Wmaybe-uninitialized] arie = abs(maxb1-minb1)*abs(maxb2-minb2)*1.0f; ~~~~~^~~~~~ main.cpp:55:9: note: 'minb1' was declared here int minb1, minb2, maxb1, maxb2; ^~~~~