//输入本金和年份并算出利息本金和 #include<stdio.h> int main() { int x,n; float y; printf("%请输入存入年份1 2 3 5 8:"); scanf("%d",&n); printf("%请输入存入本金:"); scanf("%d",&x); switch(n) { case 1: printf("%d*0.0225*%d+%d=%f\n",n,x,x,n*0.0225*x+x,y); break; case 2: printf("%d*0.0243*%d+%d=%f\n",n,x,x,n*0.0243*x+x,y); break; case 3: printf("%d*0.027*%d+%d=%f\n",n,x,x,n*0.027*x+x,y); break; case 5: printf("%d*0.0288*%d+%d=%f\n",n,x,x,n*0.0288*x+x,y); break; case 8: printf("%d*0.03*%d+%d=%f\n",n,x,x,n*0.03*x+x,y); break; default: printf("Invalid operator!\n"); } }