Submission #1091062

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091062		Abito	Floppy (RMI20_floppy)	C++17	0 / 100	101 ms	11956 KiB

floppy

#include <bits/stdc++.h>
#include "floppy.h"
#define pb push_back
using namespace std;
void read_array(int subtask_id, const std::vector<int> &v) {
    stack<int> s;
    int n=v.size(),b[n];
    string ans="";
    for (int i=n-1;i>=0;i--){
		 b[i]=0;
		 while (!s.empty() && v[s.top()]<v[i]) s.pop();
		 if (!s.empty()) b[i]=s.top();
		 s.push(i);
	 }
	 for (int i=0;i<n;i++){
		if (b[i]==0){
			ans+="10";
			continue;
		}
		if (b[i]>16){
			ans+="11";
			continue;
		}
		ans+='0';
		int d=b[i]-i-1;
		for (int j=0;j<4;j++){
			if (d&(1<<j)) ans+='1';
			else ans+='0';
		}
	 }
	 //for (int i=0;i<n;i++) cout<<b[i]<<' ';cout<<endl;
	 save_to_floppy(ans);
	 return;
}

std::vector<int> solve_queries(int subtask_id, int n,
        const std::string &bits,
        const std::vector<int> &L, const std::vector<int> &R) {
	vector<int> ans;
	int c[n];
	int j=0;
	for (int i=0;i<n;i++){
		if (bits[j]=='1'){
			if (bits[j+1]=='0') c[i]=0;
			else c[i]=17;
			j+=2;
			continue;
		}
		c[i]=0;
		for (int k=j+1;k<=j+4;k++){
			if (bits[k]=='1') c[i]|=(1<<(k-j-1));
		}
		c[i]++;
		j+=5;
	}
	for (int i=0;i<L.size();i++){
		int l=L[i],r=R[i],mx=l;
		while (true){
			//cout<<l<<' '<<c[l]<<endl;
			if (c[l]==0){
				mx=l;
				break;
			}
			if (c[l]==17){
				if (l+17>r){
					mx=l;
					break;
				}
				l+=17;
				continue;
			}
			if (l+c[l]>r){
				mx=l;
				break;
			}
			l+=c[l];
		}
		ans.pb(mx);
	}return ans;
}

Compilation message (stderr)

floppy.cpp: In function 'std::vector<int> solve_queries(int, int, const string&, const std::vector<int>&, const std::vector<int>&)':
floppy.cpp:56:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |  for (int i=0;i<L.size();i++){
      |               ~^~~~~~~~~
stub.cpp: In function 'void run2()':
stub.cpp:101:30: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  101 |     if (query_answers.size() != M) {
      |         ~~~~~~~~~~~~~~~~~~~~~^~~~

• Subtask 1: 0 / 7
• Subtask 2: 0 / 21
• Subtask 3: 0 / 72