delete pics to save space

1.1965.cpp

@@ -0,0 +1,19 @@
+#include<cstdio>
+typedef long long LL;
+LL n,m,k,x;
+LL ksm(LL a,int k)
+{
+	LL res=1;
+	for(;k>0;k>>=1)
+	{
+		if(k&1) res=res*a%n;
+		a=a*a%n;
+	}
+	return res;
+}
+int main()
+{
+	scanf("%lld%lld%lld%lld",&n,&m,&k,&x);
+	printf("%lld\n",(x%n+m%n*ksm(10,k))%n);
+	return 0;
+}