收起
供参考,有用记得采纳呐
#include <stdio.h> int main() { char c; int num = 0; while(scanf("%c",&c)) { if(c=='\n') { break; } if(c>='1'&&c<='9') { printf("%c ",c); num++; } } printf("\n"); printf("There are %d digits!",num); return 0; }
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