Eroare de compilare: user.cpp: In function ‘int parantezare_optima()’: user.cpp:25:26: error: ‘memset’ was not declared in this scope memset(M, INF, sizeof(M)); ^ user.cpp: In function ‘void read_data()’: user.cpp:15:25: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen(IN, "r", stdin); ^ user.cpp:16:17: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &N); ^ user.cpp:18:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &P[i]); ^