#include <stdio.h>
//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
int a,b;
a = 10;
int sum(int n){
int total,i;
total=0;
for(i=1;i<=a;i++){
total=total+i;
if(i==a){
return total;
}
}
}
int main(void) {
b = sum(a);
return 0;
}
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