vase.cpp: In function 'int main()': vase.cpp:26: warning: name lookup of 'i' changed vase.cpp:5: warning: matches this 'i' under ISO standard rules vase.cpp:19: warning: matches this 'i' under old rules vase.cpp:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result vase.cpp:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result vase.cpp:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result vase.cpp:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result