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  1. #include <stdio.h>
  2. void calculate(int (*a)[4]);
  3. int main(void) {
  4. 	int x[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
  5. 	calculate(x);
  6. 	return 0;
  7. }
  8. void calculate(int (*a)[4]){
  9. 	int sum[3]={0};
  10. 	for(int i=0;i<3;i++){
  11. 		for(int j=0;j<4;j++){
  12. 			sum[i]+=a[i][j];
  13. 		}
  14. 	}
  15. 	for(int i=0;i<3;i++){
  16. 		printf("sum[%d]=%d\n",i,sum[i]);
  17. 	}
  18. }
  19.  
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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sum[0]=10
sum[1]=26
sum[2]=42
https://ideone.com/4ml2d8
language:
C (gcc 8.3)
created:
2 days ago
visibility:
public

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