Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:30:26: error: ‘memset’ was not declared in this scope memset(c,-1,sizeof(c)); ^ user.cpp:47:36: error: ‘memcpy’ was not declared in this scope memcpy(d,c,sizeof(c)); ^ user.cpp:17:33: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bcrc.in","r",stdin); ^ user.cpp:18:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("bcrc.out","w",stdout); ^ user.cpp:20:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d ",&n,&m); ^ user.cpp:26:48: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d ",&t[i],&s[i],&cost[i]); ^