[CodeUp] 1090 - 1099 문제 풀이(Java)

CodeUp-1090

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int r = sc.nextInt();
    int n = sc.nextInt();
    long sum = a;
    for(int i=1;i<n;i++)
        sum*=r;
    System.out.println(sum);
}

CodeUp-1091

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int m = sc.nextInt();
    int d = sc.nextInt();
    int n = sc.nextInt();
    long sum = a;
    for(int i=1;i<n;i++)
        sum=sum*m+d;
    System.out.println(sum);
}

CodeUp-1092

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    //3 7 9
    int[] a = new int[3];
    for(int i=0;i<a.length;i++)
        a[i]=sc.nextInt();
    
    int lcm1=a[0];
    for(int i=1;i<a.length;i++)
        lcm1=lcm(lcm1, a[i]);        
    System.out.println(lcm1);
}
 
//최대 공약수 - 유클리드 호제법
// 두 수 중 작은값, 두 수를 나눈 나머지를 구한다.
// 작은값%나머지 반복하여 작은 값이 0이 될때까지 한다.
public static int gcb(int a, int b) {
    int r;
    if(a<b) {
        int temp=a;
        a=b;
        b=temp;
    }
    while(b!=0) {
        r=a%b;
        a=b;
        b=r;
    }
    return a;
}
 
//최소 공배수
// 두 수 a*b / 최소공배수 gcb 
public static int lcm(int a, int b) {
    return a*b/gcb(a, b);
}

CodeUp-1092(2)

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    //3 7 9
    int[] a = new int[3];
    for(int i=0;i<a.length;i++)
        a[i]=sc.nextInt();
    
    int day=1;
    while(day%a[0]!=0||day%a[1]!=0||day%a[2]!=0) day++;
    System.out.println(day);        
}

CodeUp-1093

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int count = sc.nextInt();
    int[] a = new int[23];
    for(int i=0;i<a.length;i++)
        a[i]=0;
    
    for(int i=0;i<// Count;i++)
        a[sc.nextInt()-1]++;
    
    for(int i=0;i<a.length;i++)
        System.out.print(a[i]+" ");
//        System.out.println(Arrays.toString(a));
}

CodeUp-1093(2)

public static void main(String[] args) {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
    try {
        int count = Integer.valueOf(br.readLine());
        StringTokenizer s = new StringTokenizer(br.readLine()," ");
        
        int[] a = new int[23];
        for(int i=0;i<a.length;i++)
            a[i]=0;
        
        while(s.hasMoreTokens())
            a[Integer.valueOf(s.nextToken())-1]++;
 
        for(int i=0;i<a.length;i++)
            bw.write(a[i]+" ");
        bw.flush();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

CodeUp-1094

public static void main(String[] args) {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
    try {
        int count = Integer.valueOf(br.readLine());
        StringTokenizer st = new StringTokenizer(br.readLine(), " ");
        int[] a = new int[count];
        int i=0;
        while(st.hasMoreTokens()) {
            a[i]=Integer.valueOf(st.nextToken());
            i++;
        }
        for(int j=count-1;j>=0;j--)
            bw.write(a[j]+" ");
        bw.flush();
    }catch(IOException e) {
        e.printStackTrace();
    }
}

CodeUp-1095

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int count= sc.nextInt();
    int min = 24;
    
    for(int i=0;i<count;i++) {
        int temp=sc.nextInt();
        if(min>temp) min=temp;
    }
    System.out.println(min);
}

 

CodeUp-1096

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int count= sc.nextInt();
    int[][] arr = new int[19][19];
    
    for(int i=0;i<count;i++) {
        int x = sc.nextInt();
        int y = sc.nextInt();
        arr[x-1][y-1]=1;
    }
    for(int i=0;i<arr.length;i++) {
        for(int j=0;j<arr[i].length;j++) {
            System.out.print(arr[i][j]+" ");
        }
        System.out.println();
    }
}

CodeUp-1096(2)

public static void main(String[] args) {
    BufferedReader bi = new BufferedReader(new InputStreamReader(System.in));
    BufferedWriter bw  =  new BufferedWriter(new OutputStreamWriter(System.out));
    
    try {
        int[][] arr=new int[19][19];
        int count = Integer.valueOf(bi.readLine());
        for(int i=0;i<count;i++) {
            String[] s = bi.readLine().split(" ");
            arr[Integer.valueOf(s[0])-1][Integer.valueOf(s[1])-1]=1;
        }
        for(int i=0;i<arr.length;i++) {
            for(int j=0;j<arr.length;j++) {
                bw.write(arr[i][j]+" ");
            }
            bw.write("\n");
            bw.flush();
        }    
    } catch(IOException e) {
        e.printStackTrace();
    }
}

CodeUp-1097

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[][] arr = new int[19][19];
    for(int i=0;i<arr.length;i++) {
        for(int j=0;j<arr[i].length;j++) {
            arr[i][j]=sc.nextInt();
        }
    }
    int count=sc.nextInt();
    for(int i=0;i<count;i++) {
        int x=sc.nextInt()-1, y=sc.nextInt()-1;
        for(int j=0;j<arr.length;j++) {
            if(arr[x][j]==1) arr[x][j]=0;
            else arr[x][j]=1;
            
            if(arr[j][y]==1) arr[j][y]=0;
            else arr[j][y]=1;
        }
    }
    for(int i=0;i<arr.length;i++) {
        for(int j=0;j<arr[i].length;j++) {
            System.out.print(arr[i][j]+" ");
        }
        System.out.println();
    }
}

CodeUp-1097(2)

public static void main(String[] args) {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
    try {
        StringTokenizer s;
        int[][] arr = new int[19][19];
        for(int i=0;i<arr.length;i++) {
            s = new StringTokenizer(br.readLine()," ");
            for(int j=0;j<arr[i].length;j++) {
                arr[i][j]=Integer.valueOf(s.nextToken());
            }
        }
        int count=Integer.valueOf(br.readLine());
        for(int i=0;i<count;i++) {
            s = new StringTokenizer(br.readLine()," ");
            int x=Integer.valueOf(s.nextToken())-1, y=Integer.valueOf(s.nextToken())-1;
            for(int j=0;j<arr.length;j++) {
                if(arr[x][j]==1) arr[x][j]=0;
                else arr[x][j]=1;
                
                if(arr[j][y]==1) arr[j][y]=0;
                else arr[j][y]=1;
            }
        }
        for(int i=0;i<arr.length;i++) {
            for(int j=0;j<arr[i].length;j++) {
                bw.write(arr[i][j]+" ");
            }
            bw.newLine();
        }
        bw.flush();
    } catch(IOException e) {
        e.printStackTrace();
    }
}

CodeUp-1098

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[][] arr = new int[sc.nextInt()][sc.nextInt()];
    int n = sc.nextInt();    //횟수
    
    for(int i=0;i<n;i++) {
        int l=sc.nextInt();    //길이
        int d=sc.nextInt();    //방향
        int x=sc.nextInt()-1, y=sc.nextInt()-1;    //좌표
        arr[x][y]=1;
        
        for(int j=0;j<l-1;j++) {
            if(d==0) arr[x][++y]=1;
            else arr[++x][y]=1;
        }
    }
    for(int i=0;i<arr.length;i++) {
        for(int j=0;j<arr[i].length;j++) {
            System.out.print(arr[i][j]+" ");
        }
        System.out.println();
    }
}

CodeUp-1099

public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int[][] arr=new int[10][10];
    for(int i=0;i<arr.length;i++) {
        for(int j=0;j<arr[i].length;j++) {
            arr[i][j]=sc.nextInt();
        }
    }
    int x=1,y=1;
    while(arr[x][y]!=2) {
        arr[x][y]=9;
        if(arr[x][y+1]==0||arr[x][y+1]==2) y++;
        else x++;
        if(x==8&&y==8) break;
    }
    arr[x][y]=9;
    for(int i=0;i<arr.length;i++) {
        for(int j=0;j<arr[i].length;j++) {
            System.out.print(arr[i][j]+" ");
        }
        System.out.println();
    }
}

CodeUp-1099(2)

public static void main(String[] args) {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
    
    try {
        int[][] arr=new int[10][10];
        for(int i=0;i<arr.length;i++) {
            StringTokenizer st = new StringTokenizer(br.readLine()," ");
            for(int j=0;j<arr[i].length;j++) {
                arr[i][j]=Integer.valueOf(st.nextToken());
            }
        }
        int x=1,y=1;
        while(arr[x][y]!=2) {
            arr[x][y]=9;
            if(arr[x][y+1]==0||arr[x][y+1]==2) y++;
            else x++;
            if(x==8&&y==8) break;
        }
        arr[x][y]=9;
        for(int i=0;i<arr.length;i++) {
            for(int j=0;j<arr[i].length;j++) {
                bw.write(arr[i][j]+" ");
            }
            bw.newLine();
        }
        bw.flush();
    } catch(IOException e) {
        e.printStackTrace();
    }
    
}

CodeUp-1099(3)

public static void main(String[] args) {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(System.out));
    
    try {
        int[][] arr=new int[10][10];
        for(int i=0;i<arr.length;i++) {
            StringTokenizer st = new StringTokenizer(br.readLine()," ");
            for(int j=0;j<arr[i].length;j++) {
                arr[i][j]=Integer.valueOf(st.nextToken());
            }
        }
        int point=1;
        boolean end = false;
        for(int i=1;i<arr.length;i++) {
            if(!end) {
                for(int j=point;j<arr[i].length;j++) {
                    if(arr[i][j]==0) {
                        arr[i][j]=9;
                    }
                    else if(arr[i][j]==2) {
                        arr[i][j]=9;
                        end=true;
                        break;
                    } else {
                        point=j-1;
                        break;
                    }
                }
            } 
        }
        for(int i=0;i<arr.length;i++) {
            for(int j=0;j<arr[i].length;j++) {
                bw.write(arr[i][j]+" ");
            }
            bw.newLine();
        }
        bw.flush();
    } catch(IOException e) {
        e.printStackTrace();
    }
}