delete pics to save space

7.1220.cpp

@@ -0,0 +1,52 @@
+#include<cstdio>
+#include<cstring>
+#include<algorithm>
+using namespace std;
+int T,n,m,f[128],ff[62];
+char a[1005],stk[1005]; int sz=0;
+int main()
+{
+#ifdef local
+	freopen("pro.in","r",stdin);
+#endif
+	int cnt=0;
+	for(int i='0';i<='9';i++)
+	{
+		f[i]=cnt;
+		ff[cnt++]=i;
+	}
+	for(int i='A';i<='Z';i++)
+	{
+		f[i]=cnt;
+		ff[cnt++]=i;
+	}
+	for(int i='a';i<='z';i++)
+	{
+		f[i]=cnt;
+		ff[cnt++]=i;
+	}
+	scanf("%d",&T);
+	while(T-->0)
+	{
+		scanf("%d%d%s",&n,&m,a);
+		printf("%d %s\n%d ",n,a,m);
+		int lena=strlen(a);
+		reverse(a,a+lena);
+		sz=0;
+		while(lena)
+		{
+			int jw=0;
+			for(int i=lena-1;i>=0;i--)
+			{
+				jw=jw*n+f[a[i]];
+				a[i]=ff[jw/m];
+				jw%=m;
+			}
+			stk[sz++]=ff[jw];
+			while(lena&&a[lena-1]=='0') a[lena--]=0;
+		//	printf("lena=%d %s\n",lena,a);
+		}
+		while(sz) putchar(stk[--sz]); puts("\n");
+	}
+	return 0;
+}