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#include <stdio.h>
#include <math.h>
 
int main(void) {
	int a;
 
	do{
		scanf("%d", &a);
	}while(a<0);
 
	printf("aの値 %d\n",a);
 
	return 0;
}

Success #stdin #stdout 0s 5320KB

stdin

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-7
-3
-1
5

stdout

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aの値 5

https://ideone.com/wGOc61

dowhile非負の整数

language:

C (gcc 8.3)

created:

visibility:

public

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