Compilare: main.cpp: In function 'bool subsir(char*, char*)': main.cpp:9:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<strlen(subsir) && i<strlen(sir)){ ~^~~~~~~~~~~~~~~ main.cpp:9:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(j<strlen(subsir) && i<strlen(sir)){ ~^~~~~~~~~~~~ main.cpp:10:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(i<strlen(sir) && sir[i]!=subsir[j]) ~^~~~~~~~~~~~ main.cpp:14:7: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==strlen(subsir) && i<=strlen(sir)) ~^~~~~~~~~~~~~~~~ main.cpp:14:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j==strlen(subsir) && i<=strlen(sir)) ~^~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:28:25: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[5001]' [-Wformat=] fscanf(fin,"%s",&s); ^ main.cpp:39:28: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[5001]' [-Wformat=] fscanf(fin,"%s",&t[i]); ^ main.cpp:24:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&cerinta,&n); ^ main.cpp:28:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%s",&s); ^ main.cpp:39:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%s",&t[i]); ^