Compilare: main.cpp: In function 'int main()': main.cpp:85:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",cuv); ^ main.cpp:86:20: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%s",sir); ^ main.cpp: In function 'void rabinkarp(char*, int, char*, int)': main.cpp:75:24: warning: 'B2' may be used uninitialized in this function [-Wmaybe-uninitialized] H2=(base*(H2-text[i]*B2)+text[m+i])%p2; ~~~~~~~^~~ main.cpp:72:24: warning: 'B1' may be used uninitialized in this function [-Wmaybe-uninitialized] H1=(base*(H1-text[i]*B1)+text[m+i])%p1; ~~~~~~~^~~