Compilare: main.cpp: In function 'int main()': main.cpp:111:9: warning: unused variable 'sumA' [-Wunused-variable] int sumA = 0; ^~~~ main.cpp:88:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^ main.cpp:92:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &v[i].x, &v[i].y); ^