diff --git a/任务七.c b/任务七.c
new file mode 100644
index 0000000..ca17e34
--- /dev/null
+++ b/任务七.c
@@ -0,0 +1,60 @@
+#include <stdio.h>
+int main(){
+ float a[4]={99.5,77.9,92.5,0},b[4]={88.5,56.5,99.0,0},c[4]={89.5,87.5,60.5,0};
+ int s[4]={10001,10002,10003,0},class[4]={11,12,11,0};
+ scanf("%d%d%f%f%f",&s[3],&class[3],&a[3],&b[3],&c[3]);
+ int m;
+ m=s[3];
+    int i,j;
+   float t;
+   for(i=0;i<3;i++)
+   {
+      for(j=i+1;j<3;j++)
+      {
+         if(class[i]>class[j])
+         {
+            t=s[j];
+            s[j]=s[i];
+            s[i]=t;
+            t=class[j];
+            class[j]=class[i];
+            class[i]=t;
+            t=a[j];
+            a[j]=a[i];
+            a[i]=t;
+            t=b[j];
+            b[j]=b[i];
+            b[i]=t;
+            t=c[j];
+            c[j]=c[i];
+            c[i]=t;
+         }
+         if(class[i]=class[j]&&(a[i]+b[i]+c[i])<(a[j]+b[j]+c[j]))
+         {
+            t=s[j];
+            s[j]=s[i];
+            s[i]=t;
+            t=class[j];
+            class[j]=class[i];
+            class[i]=t;
+            t=a[j];
+            a[j]=a[i];
+            a[i]=t;
+            t=b[j];
+            b[j]=b[i];
+            b[i]=t;
+            t=c[j];
+            c[j]=c[i];
+            c[i]=t;
+         }
+      }
+   }
+   for(i=0;i<4;i++)
+   {
+    printf("%d  %d  %.1f  %.1f  %.1f\n",s[i],class[i],a[i],b[i],c[i]);
+    if(s[i]==m)
+    printf("inserted\n");
+   }
+
+    return 0;
+}
\ No newline at end of file