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  1. #include <stdio.h>
  2.  
  3. // 再帰を用いて1からnまでの二乗和を計算する
  4. int rec(int n){
  5.     if (n == 1){
  6.         return 1;               
  7.     }
  8.     else{
  9.         return n * n + rec(n-1);  
  10.     }
  11. }
  12.  
  13. int main(void) {
  14.     int n=10;
  15.     printf("1から%dまでの二乗和の値は%d\n", n, rec(n));
  16.     return 0;
  17. }
  18.  
Success #stdin #stdout 0.01s 5320KB
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stdin 


			

					
			
			

				
	
		
		
	
		
		 stdout
			
	

		
1から10までの二乗和の値は385


	

		
	 
	
	
			

					
			
			
			
			
			
			
			
			

			
			
			
		

	
		
		

			


			                        
			
			

				

	
					
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language:

						
C (gcc 8.3)

					

					

						
created:
								
						
9 days ago

					

					

						
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