#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 sum(int n){
int i,c;
for(i = 1;i<=n;i++){
c += i;
}
return c;
}
int main(void) {
int a,b;
a = 10;
b = sum(a);
return 0;
}
I2luY2x1ZGUgPHN0ZGlvLmg+Ci8v6Kqy6aGMQi0xOiAx44GL44KJbuOBvuOBp+OBruWSjOOCkuaxguOCgeOCi+OCs+ODvOODieOCkuWujOaIkOOBleOBm+OBpuOBj+OBoOOBleOBhAppbnQgc3VtKGludCBuKXsKCWludCBpLGM7Cglmb3IoaSA9IDE7aTw9bjtpKyspewoJCWMgKz0gaTsKCX0KCXJldHVybiBjOwp9CgppbnQgbWFpbih2b2lkKSB7CglpbnQgYSxiOwogICAgYSA9IDEwOwogICAgYiA9IHN1bShhKTsKICAgIHByaW50ZigiMeOBi+OCiSVk44G+44Gn44Gu5ZKM44GvJWQiLCBhLGIgKTsKCXJldHVybiAwOwp9Cg==