Submission #1054613

#	Time	Username	Problem	Language	Result	Execution time	Memory
1054613		LittleOrange	Counting Mushrooms (IOI20_mushrooms)	C++17	10 / 100	128 ms	596 KiB

mushrooms

#include "mushrooms.h"
#include<bits/stdc++.h>
using namespace std;
using ll = long long;

int count_mushrooms(int n) {
	ll ans = 1;
	ll cur = 1;
	for(ll i = 1;i<n;i++){
		cur^=use_machine({i-1,i});
		ans += cur;
	}
	return ans;
}

Compilation message (stderr)

mushrooms.cpp: In function 'int count_mushrooms(int)':
mushrooms.cpp:10:22: warning: narrowing conversion of '(i - 1)' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]
   10 |   cur^=use_machine({i-1,i});
      |                     ~^~
mushrooms.cpp:10:22: warning: narrowing conversion of '(i - 1)' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]
mushrooms.cpp:10:25: warning: narrowing conversion of 'i' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]
   10 |   cur^=use_machine({i-1,i});
      |                         ^
mushrooms.cpp:10:25: warning: narrowing conversion of 'i' from 'll' {aka 'long long int'} to 'int' [-Wnarrowing]

• Subtask 1: 10 / 100