标签:tail header blog generate 除法 first false detail ide
0901打酱油(100分)
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scan=new Scanner(System.in); int money=scan.nextInt(); scan.close(); int num_buy=0; if (money%50==0) { num_buy=money/50*7; } else { num_buy=money%50/30+money%50/10+money/50*7; } System.out.println(num_buy); } }
0902公共钥匙盒(100分)
import java.util.Arrays; import java.util.Scanner; public class Main_02 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int k = scan.nextInt(); int[] key = new int[n]; for (int i = 0; i < n; i++) { key[i] = i + 1; } int[][] tea_use = new int[k][4]; for (int i = 0; i < k; i++) { tea_use[i][0] = scan.nextInt(); tea_use[i][1] = scan.nextInt(); tea_use[i][2] = scan.nextInt(); tea_use[i][3] = tea_use[i][1] + tea_use[i][2]; } int time = 0; int max = 0; for (int i = 0; i < k; i++) { if (tea_use[i][3] > max) { max = tea_use[i][3]; } } int[] ret = new int[k]; while (time <= max) { for (int i = 0; i < k; i++) { ret[i] = 0; } int m = 0; for (int i = 0; i < k; i++) { if (tea_use[i][3] == time) { ret[m++] = tea_use[i][0]; } } Arrays.sort(ret); for (int i = 0; i < k; i++) { if (ret[i] != 0) { for (int j = 0; j < n; j++) { if (key[j] == 0) { key[j] = ret[i]; ret[i] = 0; break; } } } } for (int i = 0; i < k; i++) { if (tea_use[i][1] == time) { for (int j = 0; j < n; j++) { if (key[j] == tea_use[i][0]) { key[j] = 0; } } } } time++; } for (int i = 0; i < n; i++) { System.out.print(key[i] + " "); } } }
0904通信网络(100分)
import java.util.ArrayList; import java.util.Iterator; import java.util.LinkedList; import java.util.List; import java.util.Queue; import java.util.Scanner; public class Main_04 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int m = scan.nextInt(); List[] send = new ArrayList[n + 1]; List[] receive = new ArrayList[n + 1]; for (int i = 0; i < n + 1; i++) { send[i] = new ArrayList(); receive[i] = new ArrayList(); } for (int j = 0; j < m; j++) { int s = scan.nextInt(); int t = scan.nextInt(); send[s].add(t); receive[t].add(s); } boolean all[][] = new boolean[n + 1][n + 1]; for (int i = 0; i < n + 1; i++) { all[i][i] = true; } Queue q = new LinkedList(); boolean[] flags; for (int i = 1; i < n + 1; i++) { q.add(i); flags = new boolean[n + 1]; while (!q.isEmpty()) { int temp = (int) q.poll(); if (!flags[temp]) { for (int j = 0; j < send[temp].size(); j++) { int next = (int) send[temp].get(j); q.add(next); } flags[temp] = true; all[i][temp] = true; } } } for (int i = 1; i < n + 1; i++) { q.add(i); flags = new boolean[n + 1]; while (!q.isEmpty()) { int temp = (int) q.poll(); if (!flags[temp]) { for (int j = 0; j < receive[temp].size(); j++) { int next = (int) receive[temp].get(j); q.add(next); } flags[temp] = true; all[i][temp] = true; } } } int num = 0; for (int i = 1; i < n + 1; i++) { boolean knowAll = true; for (int j = 1; j < n + 1; j++) { if (!all[i][j]) { knowAll = false; break; } } if (knowAll) { num++; } } System.out.println(num); } }
0905除法(30分)
import java.util.Scanner; public class Main_05 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int m = scan.nextInt(); int input1[] = new int[n + 1]; for (int i = 1; i < n + 1; i++) { input1[i] = scan.nextInt(); } int result[] = new int[m]; int k = 0; for (int i = 0; i < m; i++) { int opt = scan.nextInt(); int l = scan.nextInt(); int r = scan.nextInt(); if (opt == 1) { int v = scan.nextInt(); for (int j = l; j < r + 1; j++) { if (input1[j] % v == 0) { input1[j] /= v; } } } if (opt == 2) { int sum = 0; for (int j = l; j < r + 1; j++) { sum += input1[j]; } System.out.println(sum); } } } }
0301分蛋糕(100分)
package test_201703; import java.util.Scanner; public class Main { public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan=new Scanner(System.in); int n=scan.nextInt(); int k=scan.nextInt(); int weights[]=new int[n]; for(int i=0;i<n;i++) { weights[i]=scan.nextInt(); } int people=0; int sum=0; for(int i=0;i<n;i++) { sum+=weights[i]; if(sum>=k||i==n-1) { people++; sum=0; } } System.out.println(people); } }
0302学生排队(100分)
package test_201703; import java.util.Scanner; public class Main_02 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner scan = new Scanner(System.in); int n=scan.nextInt(); int opt_num=scan.nextInt(); int student[]=new int[n+1]; int pos[]=new int[n+1]; for(int i=1;i<n+1;i++) { student[i]=i; pos[i]=i; } for(int i=0;i<opt_num;i++) { int stu=scan.nextInt(); int dis=scan.nextInt(); //向后移 if(dis>0) { int temp=student[pos[stu]]; int j=0; for(j=pos[stu];j<pos[stu]+dis;j++) { student[j]=student[j+1]; pos[student[j+1]]-=1; } pos[stu]+=dis; student[j]=temp; } //向前移 else { int temp=student[pos[stu]]; int j=0; for(j=pos[stu];j>pos[stu]+dis;j--) { student[j]=student[j-1]; pos[student[j-1]]+=1; } pos[stu]+=dis; student[j]=temp; } } for(int i=1;i<n+1;i++) { System.out.print(student[i]+" "); } } }
1201中间数(100分)
package ccf_201612; import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Scanner; public class Main { public static void main(String[] args) { // TODO Auto-generated method stub Scanner s=new Scanner(System.in); int n=s.nextInt(); List l=new ArrayList(); for(int i=0;i<n;i++) { l.add(s.nextInt()); } Collections.sort(l); if(n==1) { System.out.println(l.get(0)); return; } if(l.size()%2==0) { int mid=(int) l.size()/2-1; int mid_num=(int) l.get(mid); int num=0; for(int j=0;j<l.size();j++) { if((int)l.get(j)==mid_num) num++; } if(num%2==0) { System.out.println(l.get(mid)); } else System.out.println(-1); } if(l.size()%2==1) { int mid=(int) (l.size()+1)/2-1; int mid_num=(int) l.get(mid); int num=0; for(int j=0;j<l.size();j++) { if((int)l.get(j)==mid_num) num++; } if(num%2==1) { System.out.println(l.get(mid)); } else System.out.println(-1); } } }
1202工资计算(100分)
package ccf_201612; import java.util.Scanner; public class Main_02 { public static int algoth(int all) { int after=0; if(all<=3500) { after=all; return after; } all-=3500; if(all<=1500) { after= (int) (all*0.97); } if(1500<all&&all<=4500) { after=(int) (all-(all-1500)*0.1-1500*0.03); } if(4500<all&&all<=9000) { after=(int) (all-(all-4500)*0.2-3000*0.1-1500*0.03); } if(9000<all&&all<=35000) { after=(int) (all-(all-9000)*0.25-4500*0.2-3000*0.1-1500*0.03); } if(35000<all&&all<=55000) { after=(int) (all-(all-35000)*0.3-26000*0.25-4500*0.2-3000*0.1-1500*0.03); } if(55000<all&&all<=80000) { after=(int) (all-(all-55000)*0.35-20000*0.3-26000*0.25-4500*0.2-3000*0.1-1500*0.03); } if(all>80000) { after=(int) (all-(all-80000)*0.45-25000*0.35-20000*0.3-26000*0.25-4500*0.2-3000*0.1-1500*0.03); } return after+3500; } public static void main(String[] args) { // TODO Auto-generated method stub Scanner s=new Scanner(System.in); int money=s.nextInt(); int after[]=new int[100001]; for(int i=0;i<100001;i++) { after[i]=0; } for(int i=1;i<=100000;i++) { int aft=algoth(i); if(i%100==0) { after[aft]=i; } } System.out.println(after[money]); } }
0901最大波动(100分)
import java.util.ArrayList; import java.util.Collections; import java.util.List; import java.util.Scanner; public class Main { public static void main(String[] args) { // TODO Auto-generated method stub Scanner s=new Scanner(System.in); int n=s.nextInt(); List l=new ArrayList(); int input[]=new int[n]; int first=s.nextInt(); for(int i=0;i<n-1;i++) { int second=s.nextInt(); int abs=Math.abs(first-second); l.add(abs); first=second; } Collections.sort(l); int max=(int) l.get(l.size()-1); System.out.println(max); } }
0902火车购票(90分)
90分,原因未解。
import java.util.Scanner; public class Main_02 { public static void main(String[] args) { // TODO Auto-generated method stub Scanner s = new Scanner(System.in); int n = s.nextInt(); int seat[][] = new int[20][5]; int remain[] = new int[20]; for (int i = 0; i < 20; i++) { seat[i][0] = i * 5 + 1; seat[i][1] = i * 5 + 2; seat[i][2] = i * 5 + 3; seat[i][3] = i * 5 + 4; seat[i][4] = i * 5 + 5; } for (int i = 0; i < 20; i++) { remain[i] = 5; } int ticket[] = new int[n]; for (int i = 0; i < n; i++) { ticket[i] = s.nextInt(); } for (int i = 0; i < n; i++) { int num = ticket[i]; boolean flag = false; for (int j = 0; j < 20; j++) { if (remain[j] >= num) { for (int k = 0; k < num; k++) { System.out.print(seat[j][5 - remain[j]] + " "); remain[j] -= 1; } System.out.println(); flag = true; break; } } if (!flag) { for (int j = 0; j < 20; j++) { for (int k = 0; k < remain[j]; k++) { System.out.print(seat[j][5 - remain[j]] + " "); remain[j] -= 1; num--; } if (num == 0) { System.out.println(); break; } } } } } }
0401折点计数(100)
import java.util.Scanner; public class Main { public static void main(String[] args) { // TODO Auto-generated method stub Scanner s=new Scanner(System.in); int n=s.nextInt(); int n1=s.nextInt(); //要注意边界值的处理!!! if(n==1) { System.out.println(0); return; } int n2=s.nextInt(); int num=0; for(int i=0;i<n-2;i++) { int n3=s.nextInt(); if((n2<n1&&n2<n3)||(n2>n1&&n2>n3)) { num++; } n1=n2; n2=n3; } System.out.println(num); } }
0404游戏(100分)(借鉴 http://blog.csdn.net/zjj582984208/article/details/55223889)
import java.util.ArrayList; import java.util.Collections; import java.util.LinkedList; import java.util.List; import java.util.Queue; import java.util.Scanner; public class Main_04 { public static class Node{ int i=0,j=0,t=0; Node(int i1,int j1,int t1){ i=i1; j=j1; t=t1; } } public static void main(String[] args) { // TODO Auto-generated method stub Scanner s = new Scanner(System.in); int n = s.nextInt(); int m = s.nextInt(); int t = s.nextInt(); int danger[][][]=new int[n][m][2]; for(int i=0;i<t;i++) { int r=s.nextInt(); int c=s.nextInt(); int a=s.nextInt(); int b=s.nextInt(); danger[r-1][c-1][0]=a; danger[r-1][c-1][1]=b; } int dir[][]= { {1,0}, {0,1}, {-1,0}, {0,-1} }; Queue<Node> q=new LinkedList<>(); int seen[][][]=new int[n][m][301]; q.add(new Node(0,0,0)); while(!q.isEmpty()) { Node node=q.poll(); if(node.i==n-1&&node.j==m-1) { System.out.println(node.t); break; } for(int i=0;i<4;i++) { int next_i=node.i+dir[i][0]; int next_j=node.j+dir[i][1]; if(next_i>=0&&next_i<n&&next_j>=0&&next_j<m&&node.t+1<300&& (node.t+1<danger[next_i][next_j][0]||node.t+1>danger[next_i][next_j][1]) &&seen[next_i][next_j][node.t+1]==0) { q.add(new Node(next_i,next_j,node.t+1)); seen[next_i][next_j][node.t+1]=1; } } } } }
标签:tail header blog generate 除法 first false detail ide
原文地址:http://www.cnblogs.com/1zhangwenjing/p/7895206.html