Compilare: user.cpp: In function ‘void citire()’: user.cpp:38:27: warning: narrowing conversion of ‘x’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] va.push_back({x,y}); ^ user.cpp:38:27: warning: narrowing conversion of ‘y’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] user.cpp:49:27: warning: narrowing conversion of ‘x’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] vb.push_back({x,y}); ^ user.cpp:49:27: warning: narrowing conversion of ‘y’ from ‘int’ to ‘double’ inside { } [-Wnarrowing] user.cpp: In function ‘void infasuratoare_convexa()’: user.cpp:153:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<r1.size();i++) ^ user.cpp:156:29: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j=i+1;j<r1.size();j++) ^ user.cpp:162:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<r.size();i++) ^ user.cpp: In function ‘void aria()’: user.cpp:179:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i=0;i<(r.size()-1);i++) ^ user.cpp: In function ‘int main()’: user.cpp:190:9: warning: unused variable ‘i’ [-Wunused-variable] int i; ^ user.cpp: In function ‘void infasuratoare_convexa()’: user.cpp:169:12: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] p=r[ind]; ^ user.cpp: In function ‘void citire()’: user.cpp:40:13: warning: ‘ind’ may be used uninitialized in this function [-Wmaybe-uninitialized] p=va[ind];swap(va[0],va[ind]); ^