语言入门结束，顺序结构开始

语言入门/顺序结构/B2001.cpp

@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+using namespace std;
+typedef long long LL;
+int main()
+{
+    LL a,b;
+    cin>>a>>b;
+    cout<<a+b<<endl;
+    return 0;
+}

语言入门/顺序结构/B2002.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    cout<<"Hello,World!";
+    return 0;
+
+
+}

语言入门/顺序结构/B2003.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int a,b,c;
+    cin>>a>>b>>c;
+    cout<<b<<endl;
+    return 0;
+}

语言入门/顺序结构/B2004.cpp

@@ -0,0 +1,12 @@
+#include <bits/stdc++.h>
+using namespace std;
+typedef long long LL;
+int main()
+{
+    LL a,b,c;
+    cin>>a>>b>>c;
+    
+    printf("%8d %8d %8d",a,b,c);
+    return 0;
+
+}

语言入门/顺序结构/B2005.cpp

@@ -0,0 +1,11 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    char ch;
+    cin>>ch;
+    cout<<"  "<<ch<<endl;
+    cout<<" "<<ch<<ch<<ch<<endl;
+    cout<<ch<<ch<<ch<<ch<<ch<<endl;
+    return 0;
+}

语言入门/顺序结构/B2006.cpp

@@ -0,0 +1,11 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    double a,b,c,d;
+    cin>>a>>b>>c>>d;
+    double res = (abs(d-b))/(abs(a-c));
+    printf("%.2f",res);
+    return 0;
+}
+//不会

语言入门/顺序结构/B2007.cpp

@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+using namespace std;
+typedef long long LL;
+int main()
+{
+    LL a,b;
+    cin>>a>>b;
+    cout<<a+b<<endl;
+    return 0;
+}

语言入门/顺序结构/B2008.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int a,b,c;
+    cin>>a>>b>>c;
+    cout<<(a+b)*c;
+    return 0;
+}

语言入门/顺序结构/B2009.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int a,b,c;
+    cin>>a>>b>>c;
+    cout<<(a+b)/c;
+    return 0;
+}

语言入门/顺序结构/B2010.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int a,b;
+    cin>>a>>b;
+    cout<<a/b<<" "<<a%b<<endl;
+    return 0;
+}

语言入门/顺序结构/B2011.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    double a,b;
+    cin>>a>>b;
+    printf("%.9f",a/b);
+    return 0;
+}

语言入门/顺序结构/B2012.cpp

@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    double a,b;
+    cin>>a>>b;
+    printf("%.3f",b/a*100);
+    cout<<"%";
+    return 0;
+}

语言入门/顺序结构/B2013.cpp

@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    double F;
+    cin>>F;
+    double C = 5*(F-32)/9;
+    printf("%.5f",C);
+    return 0;
+}

语言入门/顺序结构/B2014.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    double r;
+    cin>>r;
+    printf("%.4f %.4f %.4f",2*r,3.14159*r*2,3.14159*r*r);
+    return 0;
+}

语言入门/顺序结构/B2015.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    double r1,r2;
+    cin>>r1>>r2;
+    printf("%.2f",(r1*r2)/(r1+r2));
+    return 0;
+}

语言入门/顺序结构/B2016.cpp

@@ -0,0 +1,10 @@
+#include <bits/stdc++.h>
+using namespace std;
+typedef long long LL;
+int main()
+{
+    LL x;
+    cin>>x;
+    cout<<x<<endl;
+    return 0;
+}

语言入门/顺序结构/B2017.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    char c;
+    cin>>c;
+    cout<<(int) c;
+    return 0;
+}

语言入门/顺序结构/B2018.cpp

@@ -0,0 +1,9 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int c;
+    cin>>c;
+    cout<<(char)c;
+    return 0;
+}

语言入门/顺序结构/B2019.cpp

@@ -0,0 +1,11 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int x;
+    cin>>x;
+    bool flag = (bool)x;
+    x = (int) flag;
+    cout<<x<<endl;
+    return 0;
+}

语言入门/顺序结构/B2020.cpp

@@ -0,0 +1,38 @@
+#include <bits/stdc++.h>
+using namespace std;
+int main()
+{
+    int a,b,c,d,e;
+    cin>>a>>b>>c>>d>>e;
+    int cnt = 0;
+    //第一轮
+    //a吃掉
+    cnt += a%3;
+    a = a / 3;
+    e += a/3;
+    b += a/3;
+    //第二轮
+    cnt += b%3;
+    b = b / 3;
+    a += b/3;
+    c += b/3;
+    //第三轮
+    cnt += c%3;
+    c = c / 3;
+    b += c/3;
+    d += c/3;
+    //第四轮
+    cnt += d%3;
+    d = d / 3;
+    c += d/3;
+    e += d/3;
+    //第五轮
+    cnt += e%3;
+    e = e / 3;
+    d += e/3;
+    a += e/3;
+    cout<<a<<" "<<b<<" "<<c<<" "<<d<<" "<<e<<endl;
+    cout<<cnt<<endl;
+    return 0;
+
+}