first commit

J02106 - MA TRẬN NHỊ PHÂN.java

@@ -0,0 +1,19 @@
+package nyagami;
+
+import java.util.Scanner;
+
+public class test{
+
+    public static void main(String[] arg){
+        Scanner sc = new Scanner(System.in);
+        int n = sc.nextInt();
+        int res = 0;
+        for(int i=1; i<=n; i++){
+            int cnt = 0;
+            for(int j=1; j<=3; j++) cnt+=sc.nextInt();
+            if(cnt > 3-cnt) res++;
+        }
+        System.out.print(res);
+        sc.close();
+    }
+}