以下程序运行时，若从键盘上输入76，则屏幕上输出的结果是______ 。#include int main(void){ int score; char grade; scanf("%d",&score); while (score>100||score<0) { printf("The score is error, please input it again:"); scanf("%f",&score) } switch(score/10) { case 10: case 9: grade='A';break; case 8: grade='B';break; case 7: grade='C';break; case 6: grade='D';break; case 5: case 4: case 3: case 2: case 1: case 0: grade='E'; } printf("%c",grade); return 0;}