delete pics to save space

history_source/信息学奥赛一本通/2.6.9.cpp

@@ -0,0 +1,31 @@
+#include<iostream>
+#include<string>
+using namespace std;
+using std::string;
+string a;
+int k;
+void operation()
+{
+	int j;
+	for(int i=0;i<k;i++)
+	{
+		j=0;
+		while(j<a.size()-1&&a[j]<=a[j+1]) j++;
+		a.erase(a.begin()+j);
+	}
+	while(a.size()>1&&a[0]=='0') a.erase(a.begin());
+}
+int main()
+{
+	int t;
+	cin>>t;
+	string ans[t];
+	for(int i=0;i<t;i++)
+	{
+		cin>>a>>k;
+		operation();
+		ans[i]=a;
+	}
+	for(int i=0;i<t;i++) cout<<ans[i]<<endl;
+	return 0;
+}