Eroare de compilare: user.cpp: In function ‘void KMPSearch(char*, char*)’: user.cpp:15:20: error: ‘strlen’ was not declared in this scope int M = strlen(pat); ^ user.cpp: In function ‘int main()’: user.cpp:88:13: error: ‘strlen’ was not declared in this scope s[strlen(s) - 1] = '\0'; ^ user.cpp:97:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i = 0; i < suf.size(); i++){ ^ user.cpp:98:25: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while (j < pref.size() && pref[j] <= suf[i]){ ^ user.cpp:91:7: warning: unused variable ‘x’ [-Wunused-variable] int x = strlen(s); ^ user.cpp:80:34: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv10.in", "r", stdin); ^ user.cpp:81:36: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("secv10.out", "w", stdout); ^ user.cpp:82:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&t); ^ user.cpp:85:26: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(s, 100001, stdin); ^ user.cpp:86:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(st, 100001, stdin); ^ user.cpp:87:27: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(dr, 100001, stdin); ^