Compilare: main.cpp: In function 'int main()': main.cpp:35:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("obiective.in", "r", stdin); ^ main.cpp:36:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("obiective.out", "w", stdout); ^ main.cpp:39:24: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(C, 20, stdin); k=-1; ^ main.cpp:43:28: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(C, 20, stdin); k=-1; ^ main.cpp: In function 'void Read()': main.cpp:50:24: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(C, 20, stdin); k=-1; ^ main.cpp:55:28: warning: ignoring return value of 'char* fgets(char*, int, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fgets(C, 20, stdin); k=-1; ^