diff --git a/QUSTOJ/1079.cpp b/QUSTOJ/1079.cpp
new file mode 100644
index 0000000..f5bc31a
--- /dev/null
+++ b/QUSTOJ/1079.cpp
@@ -0,0 +1,20 @@
+#include <stdio.h>
+int main()
+{
+int n,x1,x2,x3,x4,i,j,k,m,s,v;
+double time,min;
+min=2000;
+scanf("%d%d%d%d%d",&n,&x1,&x2,&x3,&x4);
+for(i=0;i<=10;i++)
+for(j=0;j<=10;j++)
+for(k=0;k<=10;k++)
+if((i+j+k)<=n)
+{
+m=n-i-j-k;
+time=((20.0-i*2)*x1+((100.0-j*7)*x2*2+(100.0-k*9)*x3)/((10.0+m)*x4));
+if(time<min) min=time;
+time=0;
+}
+printf("%.3lf",min);
+return 0;
+}