c语言5-9中录入指定人数成绩、统计成绩分布
1、
#include <stdio.h>
# define NUMBER 80
int main(void)
{
int a[NUMBER];
int number;
puts("please input the number of the student.");
do
{
printf("number of student = ");
scanf("%d", &number);
if (number < 1 | number > NUMBER)
{
printf("\athe san of number is 1-%d\n", NUMBER);
}
}
while ( number < 1 | number > NUMBER);
printf("please input %d student scores.\n", number);
int i;
for (i = 0; i < number; i++)
{
do
{
printf("%dst = ", i + 1);
scanf("%d", &a[i]);
if (a[i] < 0 | a[i] > 100)
printf("the score range is 0-100\n");
}
while (a[i] < 0 | a[i] > 100);
}
puts("-----\n-----\n-----");
int b[11] = {0};
for (i = 0 ; i < number; i++)
{
if (a[i]/10 == 0)
b[0]++;
if (a[i]/10 == 1)
b[1]++;
if (a[i]/10 == 2)
b[2]++;
if (a[i]/10 == 3)
b[3]++;
if (a[i]/10 == 4)
b[4]++;
if (a[i]/10 == 5)
b[5]++;
if (a[i]/10 == 6)
b[6]++;
if (a[i]/10 == 7)
b[7]++;
if (a[i]/10 == 8)
b[8]++;
if (a[i]/10 == 9)
b[9]++;
if (a[i]/10 == 10)
b[10]++;
}
puts(" destribution plot ");
printf(" 100: ");
for (i = 0; i < b[10]; i++)
putchar('*');
putchar('\n');
int j;
for (i = 9; i >=0; i--)
{
printf("%d-%d", i * 10, i * 10 + 10);
putchar(':');
for (j = 0; j < b[i]; j++)
putchar('*');
putchar('\n');
}
return 0;
}
↓
#include <stdio.h>
#define NUMBER 80
int main(void)
{
int a[NUMBER];
int number;
puts("please input the number of students.");
do
{
printf("student number = ");
scanf("%d", &number);
if (number < 1 | number > NUMBER)
printf("the scan of student is 1-%d\n", NUMBER);
}while (number < 1 | number > NUMBER);
printf("please input the score of the %d students.\n", number);
int i;
int b[11] = {0};
for (i = 0; i < number; i++)
do
{
printf("%dst = ", i + 1);
scanf("%d", &a[i]);
if (a[i] < 0 | a[i] > 100)
puts("the scan of the score is 0-100.");
else
b[a[i]/10]++;
}while (a[i] < 0 | a[i] > 100);
puts("distribution plot.");
int j;
for (i = 0; i < 10; i++)
{ printf("%d-%d",i * 10, i * 10 + 10);
putchar(':');
for (j = 0; j < b[i]; j++)
{
putchar('*');
}
putchar('\n');
}
printf("100:");
for (i = 0; i < b[10]; i++)
putchar('*');
putchar('\n');
return 0;
}
↓
#include <stdio.h>
#define NUMBER 80
int main(void)
{
int a[NUMBER];
int number;
puts("please input the number of the students.");
do
{
printf("number = ");scanf("%d", &number);
if (number < 0 | number > NUMBER)
printf("the scan of number is 1-%d\n", NUMBER);
}while (number < 0 | number > NUMBER);
puts("please input the score of the students");
int i;
int b[11] = {0};
for (i = 0; i < number; i++)
{
do
{
printf("%dst = ", i + 1); scanf("%d", &a[i]);
if (a[i] < 0 | a[i] > 100)
puts("the scan of score is 0-100.");
}while (a[i] < 0 | a[i] > 100);
b[a[i]/10]++;
}
puts("distribution plot.");
printf(" 100:");
for (i = 0; i < b[10]; i++)
putchar('*');
putchar('\n');
int j;
for (i = 9; i >=0; i--)
{
printf("%d-%d:",i * 10, i * 10 + 10);
for (j = 0; j < b[i]; j++)
{
putchar('*');
}
putchar('\n');
}
return 0;
}
↓
#include <stdio.h>
#define NUMBER 80
int main(void)
{
int a[NUMBER];
int number;
puts("please input the number of the students.");
do
{
printf("number = "); scanf("%d", &number);
if (number < 1 | number > NUMBER)
printf("the scan of the number is 1-%d.\n", NUMBER);
}while (number < 1 | number > NUMBER);
printf("please input the scores of the %d student.\n", number);
int i;
int b[11] = {0};
for (i = 0; i < number; i++)
{
do
{
printf("%dst = ", i + 1); scanf("%d", &a[i]);
if (a[i] < 0 | a[i] > 100)
printf("the scan of the score is 1-100.\n");
}while (a[i] < 0 | a[i] > 100);
b[a[i]/10]++;
}
puts("distribution plot.\n-------\n-------");
int j;
for (i = 0; i < 10; i++)
{
printf("%d-%d:", i * 10, i * 10 + 10);
for (j = 0; j < b[i]; j++)
putchar('*');
putchar('\n');
}
printf("100:");
for (i = 0; i < b[10]; i++)
putchar('*');
putchar('\n');
return 0;
}
↓
#include <stdio.h>
int main(void)
{
int i;
int v[11] = {0,1,1,2,2,1,3,1,2,1,1};
int max = v[0];
for (i = 0; i < 11; i++)
{
if (v[i] > max)
max = v[i];
}
int j;
for (i = 0; i < max; i++)
{
for (j = 0; j < 11; j++)
{
if (v[j] >= max - i)
{
printf(" ");
printf(" ");
putchar('*');
printf(" ");
printf(" ");
}
else
{
printf(" ");
printf(" ");
printf(" ");
printf(" ");
printf(" ");
}
}
putchar('\n');
}
puts("-------------------------------------------------------");
for (i = 0; i < 11; i++)
printf(" %d ", i * 10);
return 0;
}
↓
#include <stdio.h>
#define NUMBER 80
int main(void)
{
int a[NUMBER];
int number;
puts("please input the number of the students.");
do
{
printf("number = "); scanf("%d", &number);
if (number < 1 | number > NUMBER)
printf("\athe scan of the number is 1-%d.\n", NUMBER);
}while (number < 1 | number > NUMBER);
printf("please input the score of %d student.\n", number);
int i;
int b[11] = {0};
for (i = 0; i < number; i++)
{
do
{
printf("%dst = ", i + 1); scanf("%d", &a[i]);
if (a[i] < 0 | a[i] > 100)
printf("\athe scan of score is 0-100.\n");
}while (a[i] < 0 | a[i] > 100);
b[a[i]/10]++;
}
int max;
for (i = 0; i < 11; i++)
{
if (b[i] > max)
max = b[i];
}
int j;
for (i = 0; i < max; i++)
{
for (j = 0; j < 11; j++)
{
if (b[j] >= max - i)
{
printf(" ");
printf(" ");
putchar('*');
printf(" ");
printf(" ");
}
else
{
printf(" ");
printf(" ");
printf(" ");
printf(" ");
printf(" ");
}
}
putchar('\n');
}
puts("-------------------------------------------------------");
for (i = 0; i < 11; i++)
printf(" %d ", i * 10);
return 0;
}
