2022-09-05

cairbin/STL_E_Average.cpp

+#include <cstdio>
+#include <algorithm>
+#include <stdlib.h>
+#include <string.h>
+double average(double num[], size_t n)
+{
+    double res = 0;
+    for(int i=0; i<n; i++)
+        res += num[i];
+    return res/n;
+}
+
+int main()
+{
+    int a,b,n;
+    while(scanf("%d%d%d",&a,&b,&n)!=EOF)
+    {
+        if(a==0 && b==0 && n==0)
+            break;
+        double *num = new double[n];
+        for(int i=0; i<n; i++)
+            scanf("%lf", &num[i]);
+        std::sort(num, num+n);
+        double *num2 = new double[n-a-b];
+        memcpy(num2,num+b, (n-b-a)*sizeof(double));
+        double res = average(num2, n-b-a);
+        printf("%.6lf\n",res);
+    }
+
+    return 0;
+}
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cairbin/STL_H_SoliderTrain.cpp

+#include <iostream>
+#include <list>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    cin >> n;
+    while(n--)
+    {
+        int t;
+        cin >> t;
+        list<int> solider;
+        for(int i=1; i<=t; i++)
+            solider.push_back(i);
+        list<int>::iterator it;
+        int k=2;
+        while(solider.size()>3)
+        {
+            int num = 1;
+            for(it=solider.begin(); it!=solider.end();)
+            {
+                if(num%k==0)
+                    it = solider.erase(it);
+                else
+                    it++;
+                num++;
+            }
+            k = k==2?3:2;
+        }
+        for(it=solider.begin(); it!=solider.end(); it++)
+            if(it==solider.begin())
+                cout << *it;
+            else
+                cout << " " << *it;
+        cout << endl;
+    }
+    return 0;
+}
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cairbin/STL_I_Winer.cpp

+#include <iostream>
+#include <set>
+
+using namespace std;
+
+int main()
+{
+    int n;
+    while(cin >> n && n)
+    {
+        set<string> people;
+        set<string> loser;
+
+        string name;
+        for(int i=0; i<n; i++)
+        {
+            cin >> name;
+            people.insert(name);
+            cin >> name;
+            loser.insert(name);
+            people.insert(name);
+        }
+
+        if(people.size()-loser.size()==1)
+            cout << "Yes" << endl;
+        else
+            cout << "No" << endl;
+    }
+
+    return 0;
+}
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cairbin/tempCodeRunnerFile.cpp

+double res = average(num);
+        cout << res << endl;
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