2018081303016 提交作业

README.md

@@ -1,4 +1,4 @@
-# c2019
+git# c2019
 
 ## 基本操作流程
 

level1/p01_runningLetter/running letter.cpp

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+#include<stdio.h>
+#include<stdlib.h>
+int main ()
+{
+	int i,j,a,b;
+	for(i=0;i<=80;i++){
+	  	for(j=0;j<i;j++){
+	  		printf(" ");
+    	}
+		printf("%c ",'R');
+    	system("cls");
+	}
+	for(a=80;a>=0;a--){
+		for(b=0;b<=a;b++){
+			printf(" ");
+		}
+		printf("%c ",'R');
+    	system("cls");
+	}
+	return 0;
+}

level1/p02_isPrime/2isprime.cpp

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+#include<stdio.h>
+#include<stdlib.h>
+//isprime 
+int main()
+{
+	int i,n;
+	printf("enter a number: ");
+	scanf("%d",&n);
+	for(i=2;i*i<=n;i++){
+		if(n%i==0)
+		break;
+	} 
+	if(i*i>n)
+		printf("prime");
+	else
+		printf("not prime")	;
+	return 0;
+}

level1/p03_Diophantus/3.cpp

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+#include<stdio.h>
+#include<stdlib.h>
+int main()
+{
+	int i ;
+	for (i = 12; i <= 150; i++) {
+		if (i % 12 == 0 && i % 7==0) {
+			if (i == 75 * i / 84 + 9)
+				break;
+		}
+	}
+	printf("������ʱ����ͼΪ��%d\n",i);
+	system("pause");
+	return 0;
+}

level1/p04_ narcissus/4.cpp

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+#include<stdio.h>
+#include<stdlib.h>
+//ˮ���� 
+int main()
+{
+	int i,a,b,c;
+	for(i=100;i<1000;i++){
+		a=i%10;
+		b=(i%100)/10;
+		c=i/100;
+		if(i==a*a*a+b*b*b+c*c*c)
+		printf("%d,",i);
+	} 
+	system("pause");
+	return 0;
+}

level1/p05_allPrimes/5.cpp

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+#include<stdio.h>
+#include<stdlib.h>
+#include<time.h>
+//��������ʱ 
+int main()
+{
+	int i,d;
+	clock_t start,finish;
+	double t;
+	start=clock();
+	for(i=2;i<=1000;i++){
+		for(d=2;d*d<=i;d++){
+			if(i%d==0)
+			break;
+		}
+		if(d*d>i)
+		printf("%d ,",i);
+	}
+	finish=clock();
+	printf("\n");
+	t=(double)(finish-start)/CLOCKS_PER_SEC;
+	printf("%f",t);
+	system("pause");
+	return 0;
+} 

level1/p06_Goldbach/6.cpp

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+#include<stdio.h>
+#include<stdlib.h>
+
+// ��100��Χ����֤��°ͺղ������ȷ�� ֤100������һ����2��ż������д����������֮��   
+int prime(int n)
+{
+	int d,result;
+	for(d=2;d*d<=n;d++){
+		if(n%d==0)
+		break;	
+	}
+	if(d*d>n)//���� 
+	result=0;
+	else
+	result=1;
+	return(result);			
+} 
+int main()
+{
+	int i,j;
+	for(i=4;i<=100;i=i+2){
+		for(j=2;j<i;j++){
+			if(prime(j)==0&&prime(i-j)==0)
+			break;	
+		}
+		if(j<i)
+		printf("%d %d %d\n",i,j,i-j);
+		else
+		printf("%d is wrong",i);
+	}
+	system("pause");	
+	return 0;
+}

level1/p07_encrypt_decrypt/7^.cpp

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+#include <stdio.h>
+#include <string.h>
+#define LENGTH 100000
+#define add 3
+int encrypt(char c[])
+{
+	int i;
+	for(i=0;i<strlen(c);i++){
+		c[i]=c[i]+add;
+	}
+	return 0;	
+}
+int decrypt(char c[])
+{
+	int j;
+	for(j=0;j<strlen(c);j++){
+		c[j]=c[j]-add;
+	}
+	return 0;
+}
+int main()
+{
+	char c[LENGTH];
+	gets(c);
+	encrypt(c);
+	printf("encrypt as: %s\n",c);
+	decrypt(c);
+	printf("decrypt as: %s\n",c);	
+	return 0;
+} 

level1/p08_hanoi/8.hanoi.cpp

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+#include <stdio.h>
+void hanoi(int n,char a,char b,char c)
+{
+	if(1==n)
+  	{
+	  	printf("%c--%c\n",a,c);
+	}
+	else
+	{
+		hanoi(n-1,a,c,b);
+		printf("%c--%c\n",a,c);
+		hanoi(n-1,b,a,c);
+	}		
+ }
+
+int main()
+{
+  	int n;
+  	printf("Input the number of diskes:");
+  	scanf("%d",&n);
+  	hanoi(n,'A','B','C');
+    return 0;
+}

level1/p09_maze/function.c

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+#include"maze.h"
+void move_1(char map[][20],int *px,int *py){
+	if(map[*px-1][*py]!='#'){
+		map[*px][*py]=' ';
+		--*px;
+		map[*px][*py]='o';
+	}
+}
+void move_2(char map[][20],int *px,int *py){
+	if(map[*px+1][*py]!='#'){
+		map[*px][*py]=' ';
+		++*px;
+		map[*px][*py]='o';
+	}
+}
+void move_3(char map[][20],int *px,int *py){
+	if(map[*px][*py-1]!='#'){
+		map[*px][*py]=' ';
+		--*py;
+		map[*px][*py]='o';	
+	}
+}
+void move_4(char map[][20],int *px,int *py){
+	if(map[*px][*py+1]!='#'){
+		map[*px][*py]=' ';
+		++*py;
+		map[*px][*py]='o';
+	}
+}
+

level1/p09_maze/mapping.c

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+#include "maze.h"
+void mapping(){    //��ӡ�����ɵ��Թ� 
+	char map[9][20]={{"# ##################"},
+					 {"#   #     ##   #    "},
+					 {"### ##  ###  # # ###"},
+					 {"### #    ##  #   ###"},
+					 {"### # ## ## # ###  #"},
+					 {"# # ## ##   ###   ##"},
+					 {"# #  ## ###  ####  #"},
+					 {"####          ##   #"},
+					 {"####################"}};
+	int x=0,y=1;
+	int *px=&x;
+	int *py=&y; 
+
+	void cursor(){        //��� ���̷���� 
+		char c=getch();
+		switch(c){
+			case 72:move_1(map,px,py);
+					break;
+			case 80:move_2(map,px,py);
+					break;	
+			case 75:move_3(map,px,py);
+					break;
+			case 77:move_4(map,px,py);
+					break;	 			
+			default: break;
+			}
+		}
+
+
+	map[x][y]='o';
+	while(map[1][19]!='o'){
+		int i,j;
+		for(i=0;i<9;i++){
+			for(j=0;j<20;j++){
+				printf("%c",map[i][j]);
+			}
+			printf("\n");
+		}
+		cursor();
+		system("cls");
+	}
+
+}

level1/p09_maze/maze.dev

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+[Project]
+FileName=maze.dev
+Name=maze
+Type=1
+Ver=2
+ObjFiles=
+Includes=
+Libs=
+PrivateResource=
+ResourceIncludes=
+MakeIncludes=
+Compiler=
+CppCompiler=
+Linker=
+IsCpp=0
+Icon=
+ExeOutput=
+ObjectOutput=
+LogOutput=
+LogOutputEnabled=0
+OverrideOutput=0
+OverrideOutputName=
+HostApplication=
+UseCustomMakefile=0
+CustomMakefile=
+CommandLine=
+Folders=
+IncludeVersionInfo=0
+SupportXPThemes=0
+CompilerSet=0
+CompilerSettings=0000000000000000001000000
+UnitCount=4
+
+[VersionInfo]
+Major=1
+Minor=0
+Release=0
+Build=0
+LanguageID=1033
+CharsetID=1252
+CompanyName=
+FileVersion=
+FileDescription=Developed using the Dev-C++ IDE
+InternalName=
+LegalCopyright=
+LegalTrademarks=
+OriginalFilename=
+ProductName=
+ProductVersion=
+AutoIncBuildNr=0
+SyncProduct=1
+
+[Unit1]
+FileName=mapping.c
+CompileCpp=0
+Folder=
+Compile=1
+Link=1
+Priority=1000
+OverrideBuildCmd=0
+BuildCmd=
+
+[Unit2]
+FileName=maze.h
+CompileCpp=0
+Folder=
+Compile=1
+Link=1
+Priority=1000
+OverrideBuildCmd=0
+BuildCmd=
+
+[Unit3]
+FileName=function.c
+CompileCpp=0
+Folder=
+Compile=1
+Link=1
+Priority=1000
+OverrideBuildCmd=0
+BuildCmd=
+
+[Unit4]
+FileName=maze_main.c
+CompileCpp=0
+Folder=
+Compile=1
+Link=1
+Priority=1000
+OverrideBuildCmd=0
+BuildCmd=
+

level1/p09_maze/maze.h

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+#include <stdio.h>
+#include <stdlib.h>
+#include <conio.h>
+void cursor();
+void move_1(char (*)[20],int *px,int *py);
+void move_2(char (*)[20],int *px,int *py);
+void move_3(char (*)[20],int *px,int *py);
+void move_4(char (*)[20],int *px,int *py);
+void mapping(); 
+

level1/p09_maze/maze_main.c

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+#include<stdio.h>
+int main(){
+	mapping();
+	printf("well done");
+	return 0;
+}

level1/p10_pushBoxes/level1_score.txt

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+60

level1/p10_pushBoxes/level2_score.txt

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+40