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  1. #include <stdio.h>
  2. #include <string.h>
  3.  
  4. void f(char *origin,char *result, int *change,int n){
  5. 	int i=0;
  6. 	int count=0;
  7. 	char temp[100];
  8. 	char *iptr;
  9. 	for(int k=n-1;k>=0;k--,i++){
  10. 		if(change[k]==0){
  11. 			memmove(result+1,result,strlen(result)+1);  //利用memmove把字串往右移動一格： memmove(str + 1, str, strlen(str) + 1);
  12. 			result[0]=origin[k];
  13. 		}
  14. 		else{
  15. 			result[i]=origin[k];
  16. 			count++;
  17. 		}
  18. 		if(count%2==1){
  19. 			strcpy(temp,result+n/2+1);
  20. 			if(n%2!=0){                //不能用temp[n/2]=result[n/2]，因為尾巴少了'\0'
  21. 				char middle[2] = { result[n/2], '\0' };
  22.     			strcat(temp, middle);
  23. 			} 
  24. 			strncat(temp,result,n/2);
  25. 			strcpy(result,temp);
  26. 		}
  27. 	}
  28. }
  29.  
  30. int main(void) {
  31. 	// scan data
  32. 	int m,n;
  33. 	scanf("%d%d",&m,&n);
  34. 	int change[100][100];
  35. 	int i,j;
  36. 	for(i=0;i<m;i++)
  37. 		for(j=0;j<n;j++)
  38. 			scanf("%d",&change[i][j]);
  39. 	char word[100][100];
  40. 	scanf("%s",word[0]);
  41.  
  42. 	//process data
  43. 	for(i=0;i<m;i++)
  44. 		f(word[i],word[i+1],change[i],n);
  45. 	printf("%s",word[m]);
  46. 	return 0;
  47. }
  48.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
1 5 1 0 1 1 0 CABAD
stdout 
BCAAD
https://ideone.com/CJ2r28
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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