'commit'

C++专题课程/基础知识/验证哥德巴赫猜想.cpp

@@ -0,0 +1,26 @@
+#include<bits/stdc++.h>
+using namespace std;
+#define MAX 1000
+int is_sushu(int n) {
+	int i, mid;
+	mid=(int)sqrt(n);
+	for(i=2; i<=mid; i++)
+		if(0 == n%i)
+			return 0;
+	return 1;
+}
+int main() {
+	int i, mid, n;
+
+	printf("Enter an even num: ");
+	scanf("%d", &n);
+
+	mid=n/2;
+	for(i=2; i<=mid; i++) {
+		if(is_sushu(i) && is_sushu(n-i))
+			printf("%d = %d + %d\n", n, i, n-i);
+	}
+	return 0;
+}
+
+