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  1. #include <stdio.h>
  2.  
  3. void calculate( int (*a)[4], int rows );
  4.  
  5. int main(void)
  6. {
  7.    int a[3][4] = {
  8.       {1,2,3,4},
  9.       {5,6,7,8},
  10.       {9,10,11,12}
  11.     };
  12.  
  13.     int rows = sizeof(a) / sizeof(a[0]);
  14.  
  15.     calculate(a, rows);
  16.  
  17. 	return 0;
  18. }
  19.  
  20. void calculate( int (*a)[4], int rows)
  21. {
  22. 	int sum[rows];
  23.  
  24. 	for(int i=0; i<rows; i++){
  25. 	  int add = 0;
  26. 	  for(int j=0; j < 4; j++){
  27. 	  	  add += a[i][j];
  28. 	  }
  29. 	  sum[i] = add;
  30. 	}
  31.  
  32. 	for(int i=0; i<rows; i++)
  33. 	{
  34. 		printf("%d行目の合計の計算結果は%d \n", i, sum[i] );
  35. 	}
  36. }
Success #stdin #stdout 0.01s 5320KB
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stdin
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Standard input is empty
stdout
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0行目の合計の計算結果は10 
1行目の合計の計算結果は26 
2行目の合計の計算結果は42
https://ideone.com/CX3LVc
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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