Compilare: main.cpp: In function 'void lps_make()': main.cpp:20:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=1;i<strlen(p);i++) ~^~~~~~~~~~ main.cpp: In function 'void comparare()': main.cpp:37:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0;i<strlen(s);i++) ~^~~~~~~~~~ main.cpp:46:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==strlen(p)) ~^~~~~~~~~~~ main.cpp: In function 'void citire()': main.cpp:12:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n", p); ^ main.cpp:13:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%s\n", s); ^ main.cpp: In function 'int main()': main.cpp:60:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.in","r", stdin); ^ main.cpp:61:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("strmatch.out","w", stdout); ^