delete pics to save space

history_source/信息学奥赛一本通/2.5.3.cpp

@@ -0,0 +1,37 @@
+#include<cstdio>
+#include<cmath>
+int x[26];
+int ans=-1;
+int chuan[92];
+bool check(int y)
+{
+	for(int i=1;i<y;i++)
+	    if(x[i]==x[y]||abs(i-y)==abs(x[i]-x[y])) return 0;
+	return 1;
+}
+void print(int n)
+{
+	chuan[ans]=x[0];
+	for(int i=1;i<=8;i++) chuan[ans]=chuan[ans]*10+x[i];
+}
+void dfs(int y,int n)
+{
+	if(y>n){ans++;print(n);return;}
+	for(int i=1;i<=n;i++)
+	{
+		x[y]=i;
+		if(check(y)) dfs(y+1,n);
+	}
+}
+int main()
+{
+	int n;
+	n=8;
+	dfs(1,n);
+	scanf("%d",&n);
+	int sr[n];
+	for(int i=0;i<n;i++) scanf("%d",sr+i);
+	for(int i=0;i<n;i++) printf("%d\n",chuan[sr[i]-1]);
+	return 0;
+}
+