int main(){
浮動分數= 0;
while(score & gt;=0){
printf("輸入分數(-1退出):");
scanf("%f ",& amp分數);
如果(分數& lt60){
printf(" fail ");
} else if(score & lt;70){
printf(" pass ");
} else if(score & lt;80){
printf(" medium ");
} else if(score & lt;90){
printf(" good ");
} else if(score & lt;100){
Printf(“優秀”);
}否則{
Printf(“超人!”);
}
printf(" \ n ");
}
}