分数评级小程序

[c]代码库

#include <stdio.h>
#include<windows.h>
int main()
{	
	printf("====================================\n");
	printf("     1010101010101010101010101010101010\n");
	printf("  10 10                            10 10\n");
	printf("10   10                         10    10\n");
	printf("10101010101010101010101010101010      10\n");
	printf("10   10                       10      10\n");
	printf("10   10                       10      10\n");
	printf("10   10                       10      10\n");
	printf("10   10                       10      10\n");
	printf("10   10                       10      10\n");
	printf("10   10                       10      10\n");
	printf("10   10101010101010101010101011010101010\n");
	printf("10 10                         10   10\n");
	printf("10                            1010\n");
	printf("10101010101010101010101010101010\n");
	printf("====================================\n");
	sleep(2);
	int a;
	char b;
	char c;
	printf("input1:");
	scanf("%d",&a);
	if (a>=90)
		{
			printf("%d",a);
			printf("\nclass:A\n");
			sleep("10");
			return 0;
		}
	else if(a>=80 && a<90)
		{
			printf("%d",a);
			    printf("\nclass:B\n");
				return 0;
				}
	else if(a>=70 && a<80)
		{
			printf("%d",a);
			    printf("\nclass:C\n");
			    	return 0;
				}
	else if(a>=60 && a<70)
		{
			printf("%d",a);
			    printf("\nclass:D\n");
			    	return 0;
				}
	else
		{
			printf("Let's make up for the lessons.The grades are too bad !\n");
			return 0;
			if(a==0)
				{
					printf("Error !");
						}
	}

	printf("input2:");
	scanf("%d",&b);
	if (b == 'y')
		{
		printf("input3:");
		scanf("%d",&c);
			if (c == 'A')
			{
				printf("%d",c);
				printf("90+");
				return 0;
			}
			else if (c == 'B')
			{
				printf("%d",c);
				printf("[80,90)");
				return 0;
			}
			else if (c == 'C')
			{
				printf("%d",c);
				printf("[70,80)");
				return 0;
			}
			else if (c == 'D')
			{
				printf("%d",c);
				printf("[60,70)");
				return 0;
			}	
	}
	else
	{
		printf("oh,my");
		return 0;
	}
	return 0;
}

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