risipa.cpp: In function 'void adun(int)': risipa.cpp:10: warning: unused variable 'q' risipa.cpp: In function 'int main()': risipa.cpp:91: warning: suggest explicit braces to avoid ambiguous 'else' risipa.cpp:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result risipa.cpp:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result risipa.cpp:45: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result risipa.cpp:58: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result