"/*
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Input
error!
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*/
#include<>
#include <>
int main()
{
char score[100];
int flag = 0, i, s;
char grade;
printf(""Please input score:\n"");
while (1)
{
flag=0;
scanf(""%s"", score);
for (i = 0; i < strlen(score); i++)
{
if (score[i] >= '0' && score[i] <= '9')
{
continue;
}
else
{
flag = 1;
break;
}
}
s = atoi(score);
if (s < 0 || s > 100 || flag == 1)
{
printf(""Input error!\n"");
printf(""Please input score:\n"");
continue;
}
else{
break;
}
}
s = atoi(score);