C语言第三次作业

#include<stdio.h>
#include<string.h>
void swap(int *score_a, int *score_b, char *name_a, char *name_b);
int main (void)
{
    int number, count;
    while (scanf("%d", &number) != EOF)
    {
        putchar('\n');
        int scores[number];
        char names[number][81];
        for (count = 0 ; count < number ; ++count)
            scanf("%s%d", names[count], &scores[count]);
        int i, j;
        for (i = 0 ; i < number ; ++i)
            for (j = i ; j < number ; ++j)
                if (scores[i] < scores[j])
                    swap(&scores[i], &scores[j], &names[i][0], &names[j][0]);
        for (count = 0 ; count < number ; ++count)
            printf("%s %d\n", names[count], scores[count]);
        putchar('\n');
    }
    return 0;
}

void swap(int *score_a, int *score_b, char *name_a, char *name_b)
{
    int t;
    char str_t[81];
    t = *score_a;
    *score_a = *score_b;
    *score_b = t;
    strcpy(str_t, name_a);
    strcpy(name_a, name_b);
    strcpy(name_b, str_t);
    return;
}

#include <stdio.h>
int main(void)
{
    int sequence[10];
    int count;
    int i, j;
    int temp;
    while (scanf("%d", &sequence[0]) != EOF)
    {
        for (count = 1 ; count < 10 ; ++count)
            scanf("%d", &sequence[count]);
        for (i = 0 ; i < 10 ; ++i)
        {
            for (j = 0 ; j < 8 - i ; ++j)
            {
                if (sequence[j] > sequence[j+1])
                {
                    temp = sequence[j];
                    sequence[j] = sequence[j+1];
                    sequence[j+1] = temp;
                }
            }
        }
        for(count = 0 ; count < 10 ; ++count)
            printf("%d ", sequence[count]);
        putchar('\n');
    }
    return 0;
}

#include <stdio.h>
int main (void)
{
    int number,count;
    int current;
    int i;
    while (scanf("%d", &number) != EOF)
    {
        int people[10000];
        for (i = 0 ; i < number ; ++i)
            people[i] = 1;
        count = number;
        current = 0;
        i = 0;
        while (count > 1)
        {
            if (i >= number)
                i = 0;
            if (people[i] == 1)
                current += 1;
            if (count == 1)
                break;
            if (current == 3)
            {
                people[i] = 0;
                count -= 1;
                current = 0;
            }
            i++;
        }
        for (i = 0 ; i < number ; ++i)
            if (people[i] == 1)
            {
                printf("%d\n", i + 1);
                break;
            }
    }
    return 0;
}

#include <stdio.h>
#define Swap(x,y) {x = x + y; y = x - y; x = x - y;}

int main (void)
{
    int a, b;
    int count = 0;
    while (scanf("%d%d", &a, &b) != EOF)
    {
        if (count)
            putchar('\n');
        count += 1;
        printf("Case %d:\n", count);
        printf("Before Swap:a=%d b=%d\n", a, b);
        Swap(a,b);
        printf("After Swap:a=%d b=%d\n", a, b);

    }
    return 0;
}

#include <stdio.h>
void mycpy (char s[], char t[], int n);
int main (void)
{
    int number;
    char sentence[1001];
    char result[1001];
    int n;
    scanf("%d", &number);
    getchar();//读取\n
    int count;
    for (count = 0 ; count < number ; ++count)
    {
        fgets(sentence, 1001, stdin);
        scanf("%d", &n);
        getchar();//读取\n
        mycpy(result, sentence, n);
        printf("%s\n", result);
    }
    return 0;
}
void mycpy (char s[], char t[], int n)
{
    int i;
    for (i = 0 ; i < n ; ++i)
    {
        s[i] = t[i];
    }
    s[n] = '\0';
    return;
}

#include <stdio.h>
int main (void)
{
    char currentChar;
    int numberCount[10] = {0};
    int englishCharCount = 0;
    int otherCount = 0;
    int count;
    while ((currentChar = getchar()) != EOF)
    {
        switch (currentChar)
        {
            case '0': numberCount[0] += 1 ; break;
            case '1': numberCount[1] += 1 ; break;
            case '2': numberCount[2] += 1 ; break;
            case '3': numberCount[3] += 1 ; break;
            case '4': numberCount[4] += 1 ; break;
            case '5': numberCount[5] += 1 ; break;
            case '6': numberCount[6] += 1 ; break;
            case '7': numberCount[7] += 1 ; break;
            case '8': numberCount[8] += 1 ; break;
            case '9': numberCount[9] += 1 ; break;
            default: break;
        }
        if ((currentChar >= 'A' && currentChar <= 'Z') || (currentChar >= 'a' && currentChar <= 'z'))
            englishCharCount += 1;
        else if (!(currentChar >= '0' && currentChar <= '9'))
            otherCount += 1;
    }
    for (count = 0 ; count < 10 ; ++count)
        printf("Number %d: %d\n", count, numberCount[count]);
    printf("characters: %d\n", englishCharCount);
    printf("other: %d\n", otherCount);
    return 0;
}

#include <stdio.h>
int main (void)
{
    int sequence[20];
    int number;
    int count;
    int i, j;
    int temp;
    while (scanf("%d", &number), number != 0)
    {
        for (count = 0 ; count < number ; ++count)
            scanf("%d", &sequence[count]);
        for (i = 0 ; i < number ; ++i)
            for (j = i ; j < number ; ++j)
                if (sequence[i] > sequence[j])
                {
                    temp = sequence[i];
                    sequence[i] = sequence[j];
                    sequence[j] = temp;
                }
        for (count = 0 ; count < number ; ++count)
        {
            if (count)
                putchar(' ');
            printf("%d", sequence[count]);
        }
        putchar('\n');
    }
    return 0;
}