Eroare de compilare: main.cpp: In function 'double distorizontal(Points, Points, Points)': main.cpp:40:58: error: 'sqrt' was not declared in this scope dist=sqrt((double)(A.x-x)*(A.x-x)+(A.y-y)*(A.y-y)); ^ main.cpp: In function 'double distvertical(Points, Points, Points)': main.cpp:56:58: error: 'sqrt' was not declared in this scope dist=sqrt((double)(A.x-x)*(A.x-x)+(A.y-y)*(A.y-y)); ^ main.cpp: In function 'void dfs(int)': main.cpp:133:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<g[nod].size(); i++) ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:142:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] { freopen("elicoptere.in", "r", stdin); ^ main.cpp:143:43: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("elicoptere.out", "w", stdout); ^ main.cpp:146:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &cer, &n, &k); ^ main.cpp:148:102: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%lf%lf%lf%lf%lf%lf", &v[i].A.x, &v[i].A.y, &v[i].B.x, &v[i].B.y, &v[i].C.x, &v[i].C.y); ^ Non zero exit status: 1