Compilare: main.cpp: In function 'int main()': main.cpp:36:15: warning: unused variable 'k' [-Wunused-variable] 36 | int n,i,j,k,l,a,b,x,y,xf,yf,st,dr,rightpoint=0,leftpoint=100005; | ^ main.cpp:36:17: warning: unused variable 'l' [-Wunused-variable] 36 | int n,i,j,k,l,a,b,x,y,xf,yf,st,dr,rightpoint=0,leftpoint=100005; | ^ main.cpp:36:33: warning: unused variable 'st' [-Wunused-variable] 36 | int n,i,j,k,l,a,b,x,y,xf,yf,st,dr,rightpoint=0,leftpoint=100005; | ^~ main.cpp:36:36: warning: unused variable 'dr' [-Wunused-variable] 36 | int n,i,j,k,l,a,b,x,y,xf,yf,st,dr,rightpoint=0,leftpoint=100005; | ^~ main.cpp:121:24: warning: iteration 100004 invokes undefined behavior [-Waggressive-loop-optimizations] 121 | if(segmente[i].first!=0) | ~~~~~~~~~~~~^~~~~ main.cpp:119:15: note: within this loop 119 | for(i=1; i<=100005; i++) | ~^~~~~~~~ main.cpp:60:14: warning: 'xf' may be used uninitialized in this function [-Wmaybe-uninitialized] 60 | seg[n].x2=xf; | ~~~~~~~~~^~~ main.cpp:61:14: warning: 'yf' may be used uninitialized in this function [-Wmaybe-uninitialized] 61 | seg[n].y2=yf; | ~~~~~~~~~^~~