C语言求整数和

#include
int the(int shy){if(shy==1){return 1;}else{//n=4 return 4+the(3);==>4+3+the(2)==>4+3+2+the(1)==>4+3+2+1 以此类推 return shy+the(shy-1); }
}
int main ()	{int sum;sum=the (4);//括号的值自行输入 printf("整数和是%d\n",sum);return 0;
}