Compilare: main.cpp: In function 'int main()': main.cpp:43:23: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'char (*)[605]' [-Wformat=] fscanf(fi,"%s",&St); ^ main.cpp: In function 'void nextS()': main.cpp:15:25: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread(S,1,500000,fi); ^ main.cpp: In function 'int main()': main.cpp:42:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d%d",&n,&m); ^ main.cpp:43:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%s",&St); ^