1002 写出这个数字
/*1002 写出这个数字*/
#include <string.h>
int main()
{
int sum = 0;
char input[101];
char output[900];
char chNum[10][5] = { "ling", "yi", "er", "san", "si", "wu", "liu", "qi", "ba", "jiu" };
scanf_s("%s", input, 101);
int i;
for (i = 0; i < strlen(input); i++)
sum += input[i] - '0';
i = 0;
while (sum)
{
output[i] = sum % 10;
sum /= 10;
i++;
}
for (i -= 1; i > 0; i--)
{
printf("%s ", chNum[output[i]]);
}
printf("%s", chNum[output[i]]);
return 0;
}
1004成绩排名
/*1004成绩排名*/
int main()
{
int n = 0, i, ma, mi;
scanf_s("%d", &n);
typedef struct student
{
char name[20];
char id[20];
int score;
int *next;
}Student;
Student studs[101];
for (i = 0; i < n; i++)
{
printf("Please Enter the name:\n");
scanf_s("%s", studs[i].name, 20);
printf("Please Enter the id:\n");
scanf_s("%s", studs[i].id, 20);
printf("Please Enter the score:\n");
scanf_s("%d", &(studs[i].score));
}
printf("Scanf complete!\n");
ma = mi = 0;
for (i = 1; i < n; i++)
{
ma = studs[ma].score > studs[i].score ? ma : i;
mi = studs[mi].score < studs[i].score ? mi : i;
}
printf("%d-%d\n", ma, mi);
printf("Rank Complete!\n");
printf("%s %s\n", studs[ma].name, studs[ma].id);
printf("%s %s\n", studs[mi].name, studs[mi].id);
return 0;
}
1005继续（3n+1)猜想
/*1005继续（3n+1)猜想*/
void icmp(int *b, int *a)
{
//printf("The initial b:%d a:%d\n", *b, *a);
int t = *a;
while (*a != 1)
{
//printf("b:%d a:%d\n", *b, *a);
if (*a % 2)
*a = (3 * (*a) + 1) / 2;
else
*a /= 2;
if (*a == *b)
{
*b = t;
break;
}
}
*a = t;
//printf("The ultimate b:%d a:%d\n", *b, *a);
}
int delCopy(int *arr ,int *newArr, int n)
{
int flags[101] = { 0 };
int k = 0;
for (int i = 0; i < n; i++)
{
if (flags[arr[i]] == 0)
{
newArr[k] = arr[i];
k++;
flags[arr[i]] = 1;
}
}
return k--;
}
void iSort(int *a, int n)
{
int i, t;
for (i = 0; i < n; i++)
{
for (int j = i + 1; j < n; j++)
{
if (a[i] < a[j])
{
t = a[i];
a[i] = a[j];
a[j] = t;
}
}
}
}
int main()
{
int i, j, n, *a;
//printf("Please enter the aber:\n");
scanf_s("%d", &n);
a = (int *)malloc(sizeof(int)* n);
//printf("Please scanf the abers:\n");
for (i = 0; i < n; i++)
{
scanf_s("%d", &a[i]);
}
for (i = 0; i < n; i++)
{
for ( j = 0; j < n; j++)
{
icmp(&a[i], &a[j]);
//printf("-%d-\n", i);
}
}
//for (i = 0; i < n; i++)
//{
// printf("%d ", a[i]);
//}
int b[101] = { 0 };
iSort(a, n);
int k =delCopy(a, b, n);
for ( i = 0; i < k; i++)
{
printf("%d", b[i]);
if (i == k-1)
continue;
printf(" ");
}
return 0;
}
1006换个格式输出整数
/*1006换个格式输出整数*/
int main()
{
int i = 0, j, k, n, t[4] = { 0 };
scanf_s("%d", &n);
while (n)
{
t[i] = n % 10;
n /= 10;
i++;
}
for (j = i - 1; j >= 0; j--)
{
for (k = 0; k < t[j]; k++)
{
if (j == 2)
printf("B");
if (j == 1)
printf("S");
if (j == 0)
printf("%d", k+1);
}
}
return 0;
}
1007素数对猜想
/*1007素数对猜想*/
int iJudge(int n)
{
int i;
for (i = 2; i < n/2; i++)
{
if (n % i == 0)
{
return 0;
}
}
return 1;
}
int main()
{
int n, i, t = 0;
scanf_s("%d", &n);
for (i = 3; i <= n - 2; i += 2)
{
if (iJudge(i) && iJudge(i + 2))
t++;
}
printf("%d\n", t);
return 0;
}
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