Submission #902241

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
902241	2024-01-10 07:29:03	pcc	A Game with Grundy (CCO20_day1problem1)	C++14	25 / 25	105 ms	7448 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pll pair<ll,ll>
#define pii pair<int,int>
#define fs first
#define sc second
#define tlll tuple<ll,ll,ll>
const int mxn = 1e5+10;
const ll inf = 2e9+10;
int cnt[mxn*2];
int ans[mxn];
vector<ll> all;
pll range[mxn];
ll N,L,R,Y;
int main(){
  ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
  cin>>N>>L>>R>>Y;
  for(int i = 0;i<N;i++){
    ll a,b,x;
    cin>>x>>a>>b;
    ll l = -inf,r = inf;
    while(l != r){
      ll mid = l+(r-l)/2;
      if((x-mid)*a<Y*b)r = mid;
      else l = mid+1;
 
 
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Compilation message (stderr)

Main.cpp: In function 'int main()':
Main.cpp:53:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   53 |  for(int i = 0;i+1<all.size();i++){
      |                ~~~^~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 10 / 10