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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3.  
  4. int solve(int,int);
  5. int solve(int n,int m){
  6. 	for(int i = 0;i <= n;i++){
  7. 		if( 4 * i + 2 * ( n - i  ) == m ){
  8. 			return i;	
  9. 		}	
  10. 	}
  11. 	return -1;
  12.  
  13. }
  14.  
  15. int main(){
  16. 	int n;
  17. 	int m;
  18. 	int count = 0;
  19.  
  20. 	/* 文字列関係はWikipediaのfgetsの項目を参考にしました。*/
  21. 	char temp[128];
  22. 	printf("input n:");
  23. 	fgets(temp, 128, stdin);
  24. 	fflush(stdin);
  25. 	if (sscanf(temp, "%d", &n) != 1) {
  26. 		return EXIT_FAILURE;
  27. 	}
  28.  
  29. 	printf("input m:");
  30. 	fgets(temp, 128, stdin);
  31. 	fflush(stdin);
  32. 	if (sscanf(temp, "%d", &m) != 1) {
  33. 		return EXIT_FAILURE;
  34. 	}
  35.  
  36. 	count = solve(n,m);
  37. 	if(count < 0){
  38. 		printf("解なし\n");
  39. 		return EXIT_SUCCESS;
  40. 	}
  41.  
  42. 	printf("鶴:%d\n",count);
  43. 	printf("亀:%d\n",n - count);
  44.  
  45.  
  46. }
  47.  
  48.  
Success #stdin #stdout 0s 1724KB
comments (?)
stdin
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8
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stdout
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input n:input m:鶴:5
亀:3
https://ideone.com/UWupV
language:
C99 (gcc 8.3)
created:
13 years ago
visibility:
secret

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