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  1. #include <stdio.h>
  2. //課題B-1: 1からnまでの和を求めるコードを完成させてください
  3. int sum(int n){
  4.     int x,y=0;
  5.     for( x=1 ; x<=n ; x++ )
  6.       	y=y+x;
  7.     return y;
  8. }
  9.  
  10. int main(void) {
  11. 	int a,b;
  12.     a = 10;
  13.     b = sum(a);
  14.     printf("1から%dまでの和は%d", a,b );
  15. 	return 0;
  16. }
  17.  
Success #stdin #stdout 0s 5320KB
comments (?)
stdin 
Standard input is empty
stdout 
1から10までの和は55
https://ideone.com/uzJKEZ
language:
C (gcc 8.3)
created:
3 days ago
visibility:
public

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