c语言 9-10
1、
#include <stdio.h> void del(char x[]) { int len = 0; while(x[len]) len++; char tmp[len]; int i = 0, j = 0; while(x[i]) { if(x[i] < '0' || x[i] > '9') { tmp[j] = x[i]; j++; } i++; } i = 0; while(x[i]) { x[i] = '\0'; i++; } while(j-- > 0) x[j] = tmp[j]; } int main(void) { char str[128]; printf("str: "); scanf("%s", str); del(str); int i = 0; while(str[i]) putchar(str[i++]); return 0; }
2、
#include <stdio.h> void deld(char x[]) { int len = 0; while(x[len]) len++; char tmp[len]; int i = 0; int j = 0; while(x[i]) { if(x[i] < '0' || x[i] > '9') { tmp[j] = x[i]; j++; } i++; } for(i = 0; i < len; i++) { x[i] = '\0'; } for(i = 0; i < j; i++) { x[i] = tmp[i]; } } int main(void) { char str[128]; printf("str: "); scanf("%s", str); deld(str); printf("del result: %s\n", str); return 0; }
3、
#include <stdio.h> void defdi(char x[]) { int len = 0; while(x[len]) len++; int i = 0; while(x[i]) { if(x[i] >= '0' && x[i] <= '9') { int j = i; while(x[j]) { x[j] = x[j + 1]; j++; } i--; } i++; } } int main(void) { char str[128]; printf("str: "); scanf("%s", str); defdi(str); printf("def result: %s\n", str); return 0; }
4、
#include <stdio.h> void del(char x[]) { int i = 0; while(x[i]) { if(x[i] >= '0' && x[i] <= '9') printf(""); else putchar(x[i]); i++; } } int main(void) { char str[128]; printf("str: "); scanf("%s", str); puts("\n============="); del(str); return 0; }
5、
#include <stdio.h> void deld(char x[]) { int i = 0; while(x[i]) { if(x[i] < '0' || x[i] > '9') putchar(x[i]); i++; } } int main(void) { char str[128]; printf("str: "); scanf("%s", str); puts("\n====================="); deld(str); return 0; }
6、
#include <stdio.h> void deldi(char x[]) { int len = 0; while(x[len]) len++; char tmp[len]; int i = 0, j = 0; while(x[i]) { if(x[i] < '0' || x[i] > '9') { tmp[j] = x[i]; j++; } i++; } for(i = 0; i < j; i++) { x[i] = tmp[i]; } x[j] = '\0'; } int main(void) { char str[128]; printf("str: "); scanf("%s", str); deldi(str); puts("\n=============="); printf("del result: %s\n", str); return 0; }