Compilare: user.cpp: In function ‘void citire()’: user.cpp:31:12: warning: unused variable ‘x’ [-Wunused-variable] double x, y; ^ user.cpp:31:15: warning: unused variable ‘y’ [-Wunused-variable] double x, y; ^ user.cpp: In function ‘void addIntersect(pct, pct, pct, pct)’: user.cpp:76:15: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (x < a1.x && x < a2.x || x > a1.x && x > a2.x) return; ^ user.cpp:77:15: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (x < b1.x && x < b2.x || x > b1.x && x > b2.x) return; ^ user.cpp:78:18: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (y < a1.y && y < a2.y || y > a1.y && y > a2.y) return; ^ user.cpp:79:18: warning: suggest parentheses around ‘&&’ within ‘||’ [-Wparentheses] if (y < b1.y && y < b2.y || y > b1.y && y > b2.y) return; ^ user.cpp: In function ‘void solve()’: user.cpp:117:36: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < inter.size(); i++) ^ user.cpp: In function ‘void citire()’: user.cpp:30:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &n); ^ user.cpp:33:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf\n", &a[i].x, &a[i].y); ^ user.cpp:35:19: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d\n", &m); ^ user.cpp:37:39: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lf %lf\n", &b[j].x, &b[j].y); ^ user.cpp: In function ‘int main()’: user.cpp:132:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arie.in", "r", stdin); ^ user.cpp:133:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("arie.out", "w", stdout); ^