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202401-programming-assignments/【额外练习】选择结构/7-3 选择-ASCII值.c

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2024-10-30 14:11:36 +00:00
#include <stdio.h>
int main() {
char c;
scanf("%c", &c);
if ('0' <= c && c <= '9') {
printf("%d\n", c);
} else {
printf("input error\n");
}
return 0;
}