Compilare: main.cpp: In function 'int main()': main.cpp:30:22: warning: narrowing conversion of 'x' from 'int' to 'double' [-Wnarrowing] 30 | v[i]=v[i+n]={x,y}; | ^ main.cpp:30:24: warning: narrowing conversion of 'y' from 'int' to 'double' [-Wnarrowing] 30 | v[i]=v[i+n]={x,y}; | ^ main.cpp:40:17: warning: statement has no effect [-Wunused-value] 40 | for(p1;p1<j-1;p1++) | ^~ main.cpp:47:17: warning: statement has no effect [-Wunused-value] 47 | for(p2;p2<i+n-1;p2++) | ^~