Submission #1071982

#	Time	Username	Problem	Language	Result	Execution time	Memory
1071982		edogawa_something	How to Avoid Disqualification in 75 Easy Steps (CEOI23_avoid)	C++17	10 / 100	1 ms	344 KiB

avoid

#include "avoid.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<ll> vii;
typedef pair<ll,ll> pii;
#define F first
#define S second
#define all(v) v.begin(),v.end()
#define pb push_back
const ll M=5e5+10;
const ll inf=2e18;

pair<int, int> scout(int R, int H) {
  for(int bit=0;bit<10;bit++) {
    vector<int>v;
    for(int i=1;i<=1000;i++) {
      if((i&(1<<bit))>0)
        v.pb(i);
    }
    send(v);
  }
  vector<int>v=wait();
  int ans=0;
  for(int i=0;i<v.size();i++) {
    ans+=(v[i]*(1<<i));
  }
  return {ans,ans};
}

Compilation message (stderr)

avoid.cpp: In function 'std::pair<int, int> scout(int, int)':
avoid.cpp:25:16: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   25 |   for(int i=0;i<v.size();i++) {
      |               ~^~~~~~~~~

• Subtask 0: 0 / 0
• Subtask 1: 10 / 10
• Subtask 2: 0 / 5
• Subtask 3: 0 / 10
• Subtask 4: 0 / 75