#include <stdio.h>
//練習問題B
int sum(int x,int y){
int c;
c=x+y;
return c;
}
int main(void) {
int l, n = 2, m = 3;
l = sum(m, n);
printf("%dと%dの和は%d\n", m
,n
, l
); return 0;
}
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