Compilare: user.cpp: In function ‘void ProcessInitialData()’: user.cpp:63:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &N, &K, &X, &Y); ^ user.cpp:70:46: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &edgeCount, &x1, &x2); ^ user.cpp: In function ‘void ProcessOperations()’: user.cpp:103:77: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int position; scanf("%d%d%d%d", &position, &edgeCount, &x1, &x2); ^ user.cpp:106:62: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] int i, x, j, y; scanf("%d%d%d%d", &i, &x, &j, &y); ^