Wall for 邱旻樺

#include<stdio.h>
#include<string.h>
int main()
{
    char a[1000];
    int i,len;
    scanf("%[^.]",a);
    len = strlen(a);
    for(i = 0;i < len;i++)
    {
        if(a[i] >= 65&&a[i] <= 90)
            a[i] = a[i] + 32;
        else if(a[i] >= 97&&a[i] <= 122)
            a[i] = a[i] - 32;
    }
    printf("%s.",a);
    return 0;
}

#include<stdio.h>
#include<string.h>
int main()
{
    char a[100][100];
    int i=0,len;
    while(scanf("%s",a[i])!=EOF)
    {
        i++;
    }
    for(i--;i >= 0;i--)
        printf("%s ",a[i]);
    return 0;
}

#include<stdio.h>
int main()
{
    int i,j,num1,num2;
    char studentid[100][100],studentname[100][100],gender[100][100],
age[100][100],id[100][100];
    scanf("%d",&num1);
    for(i=0;i<num1;i++)
    {
        scanf("%s%s%s%s",studentid[i],studentname[i],gender[i],age[i]);
    }
    scanf("%d",&num2);
    for(i=0;i<num2;i++)
    {
        scanf("%s",id[i]);
    }
    for(i=0;i<num2;i++)
    {
        for(j=0;j<num1;j++)
        {
            if(studentid[j][2] == id[i][2])
            {
                printf("%s %s %s %s\n",studentid[j],studentname[j],gender[j],age[j]);
                break;
            }
            if(j == (num1-1))
                printf("No Answer!\n");
        }
    }
    return 0;
}

#include<stdio.h>
int main()
{
    int a[10],b[10],j=0,c[10],k[10],i,max,min,many,num=0,num1=0;
    for(i=0;i<10;i++)
    {
        scanf("%d",&a[i]);
        b[i] = a[i];
        c[i] = a[i];
    }
    for(i=0;i<10;i++)
    {
        if(a[i]>=a[j])
        {
            max = a[i];
            j = i;
        }
    }
    printf("Greatest:%d\n",max);
    j = 0;
    for(i=0;i<10;i++)
    {
        if(a[i]<=a[j])
        {
            min = a[i];
            j = i;
        }
    }
    printf("Smallest:%d\n",min);
    j = 0;
    for(i=0;i<10;i++)
    {
        num1 = 0;
        for(j=0;j<10;j++)
        {
            if(a[i]==a[j])
                num1++;
        }
        if(num1>num)
        {
            num = num1;
            many = a[i];
        }
    }
    printf("The most occurring item:%d\n",many);
    return 0;
}

#include <stdio.h>
#include <string.h>
#define array 100

int main(){
    char n[2][array] = {0}, sym[2];
    scanf("%s%s%s", n[0], sym, n[1]);
    int num[2] = {strlen(n[0]), strlen(n[1])};
    char ans[array] = {0};
    if(sym[0] == '+'){
        for(int i = 0; i < num[0]; i++){
            ans[array-num[0]+i] += (n[0][i]-'0');
        }
        for(int i = 0; i < num[1]; i++){
            ans[array-num[1]+i] += (n[1][i]-'0');
        }
        for(int i = array-1; i > -1; i--){
            if(ans[i] >= 10){
                ans[i-1] += 1;
                ans[i] -= 10;
            }
        }
    }else{
        int check = 0;
        if(num[0] > num[1]){
            check = 1;
        }else if(num[0] == num[1]){
            check = 1;
            for(int i = 0; i < num[0]; i++){
                if(n[0][i] < n[1][i]){
                    check = 0;
                    break;
                }
            }
        }
        if(check){
            for(int i = 0; i < num[0]; i++){
                ans[array-num[0]+i] += (n[0][i]-'0');
            }
            for(int i = 0; i < num[1]; i++){
                ans[array-num[1]+i] -= (n[1][i]-'0');
            }
            for(int i = array-1; i > -1; i--){
                if(ans[i] < 0){
                    ans[i-1] -= 1;
                    ans[i] += 10;
                }
            }
        }else{
            for(int i = 0; i < num[1]; i++){
                ans[array-num[1]+i] += (n[1][i]-'0');
            }
            for(int i = 0; i < num[0]; i++){
                ans[array-num[0]+i] -= (n[0][i]-'0');
            }
            for(int i = array-1; i > -1; i--){
                if(ans[i] < 0){
                    ans[i-1] -= 1;
                    ans[i] += 10;
                }
            }
            for(int i = 0; i < array; i++){
                if(ans[i] != 0){
                    ans[i-1] = '-'-'0';
                    break;
                }
            }
        }
    }
    for(int i = 0; i < array; i++){
        if(ans[i] != 0){
            for(int j = i; j < array; j++){
                printf("%c", ans[j]+'0');
            }
            break;
        }
    }
}
Jun 16, 2020 by 邱旻樺
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