1.2~1.5

1 files changed, 50 insertions, 0 deletions

diff --git a/1.3/dualpal.c b/1.3/dualpal.c
new file mode 100644
index 0000000..caa516e
--- /dev/null
+++ b/1.3/dualpal.c
@@ -0,0 +1,50 @@
+/*
+ID: mytbk921
+LANG: C
+TASK: dualpal
+*/
+
+#include <stdio.h>
+
+int dualpal(int a) //check if a is dualpal
+{
+	int chk[32];
+	int l,base,i;
+	int count=0;
+	for (base=10;base>=2;base--){
+		l=0;
+		for (chk[0]=a;chk[l];++l){
+			chk[l+1]=chk[l]/base; //when chk[l+1]=0,the conversion is over
+			chk[l]%=base;
+		}
+		for (i=0;i<l/2;i++){
+			if (chk[i]!=chk[l-1-i])
+				break;
+		}
+		if (i>=l/2)
+			++count;
+		if (count==2)
+			return 1;
+	}
+	return 0;
+}
+
+int main()
+{
+	int n,s;
+	FILE *fin=fopen("dualpal.in","r");
+	FILE *fout=fopen("dualpal.out","w");
+	fscanf(fin,"%d%d",&n,&s);
+	fclose(fin);
+
+	while (n){
+		++s;
+		if (dualpal(s)){
+			fprintf(fout,"%d\n",s);
+			--n;
+		}
+	}
+	
+	return 0;
+}
+