zuma.cpp: In function 'int main()': zuma.cpp:11: warning: format '%s' expects type 'char*', but argument 4 has type 'char (*)[400]' zuma.cpp:10: warning: unused variable 'nr' zuma.cpp:11: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result