Check the return value from scanf and go from there. – Ed Heal · getchar returns an int . You cannot reliably check for EOF if c is not of type ... ... <看更多>

Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures. - zephyr/getchar.c at main · zephyrproject-rtos/zephyr. ... <看更多>

#include <cstdio> inline int nextint() { int x = 0, c = getchar(), neg = false; while(('0' > c || c > '9') && c!='-' && c!= ... <看更多>