Create 100819R.cpp

Codeforces/Gym/100819R.cpp

@@ -0,0 +1,42 @@
+/// Problem R - Class Time
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+
+#include <algorithm>
+using namespace std;
+#define NAMELEN 128
+#define MAXN 105
+struct _student
+{
+    char a[NAMELEN];
+    char b[NAMELEN];
+};
+_student stu[MAXN];
+
+bool cmp(const _student& sta,const _student& stb)
+{
+    int a=strcmp(sta.b,stb.b);
+    if(a==0)
+    {
+        int b=strcmp(sta.a,stb.a);
+        return (b<0);
+    }
+    return (a<0);
+}
+
+int main()
+{
+    int n;
+    scanf("%d",&n);
+    for(int i=0;i<n;i++)
+    {
+        scanf("%s %s",stu[i].a,stu[i].b);
+    }
+    sort(stu,stu+n,cmp);
+    for(int i=0;i<n;i++)
+    {
+        printf("%s %s\n",stu[i].a,stu[i].b);
+    }
+    return 0;
+}