Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:61:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i < strlen(S)){ ^ user.cpp:83:23: error: ‘sort’ was not declared in this scope sort(W+1,W+n+1,cmp); ^ user.cpp:56:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mesaje.in","r",stdin); ^ user.cpp:57:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("mesaje.out","w",stdout); ^ user.cpp:59:19: warning: ignoring return value of ‘char* gets(char*)’, declared with attribute warn_unused_result [-Wunused-result] n = 0; gets(S); ^ user.cpp:75:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s",S); ^