cool.cpp: In function 'int main()': cool.cpp:67: warning: suggest explicit braces to avoid ambiguous 'else' cool.cpp:8: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result cool.cpp:10: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result