Submission #291646

#	Time	Username	Problem	Language	Result	Execution time	Memory
291646		shayan_p	Roller Coaster Railroad (IOI16_railroad)	C++17	0 / 100	473 ms	23776 KiB

railroad

// Oh damn! Suddenly you're free to fly...

#include<bits/stdc++.h>
#include "railroad.h"

#define F first
#define S second
#define PB push_back
#define sz(s) int((s).size())
#define bit(n,k) (((n)>>(k))&1)

using namespace std;

typedef long long ll;
typedef pair<int,int> pii;

const int maxn = 2e5 + 10, mod = 1e9 + 7;
const ll inf = 1e18 + 10;

ll plan_roller_coaster(vector<int> a, vector<int> b){    
    int n = sz(a);
    map<int, int> mp;
    mp[1]++;
    for(int x : a)
	mp[x]--;
    for(int x : b)
	mp[x]++;
    int ans = 0;
    for(pii p : mp){
	ans+= p.S;
	if(ans < 0)
	    return 10;
    }
    return 0;
}

Compilation message (stderr)

railroad.cpp: In function 'll plan_roller_coaster(std::vector<int>, std::vector<int>)':
railroad.cpp:21:9: warning: unused variable 'n' [-Wunused-variable]
   21 |     int n = sz(a);
      |         ^

• Subtask 1: 0 / 11
• Subtask 2: 0 / 23
• Subtask 3: 0 / 30
• Subtask 4: 0 / 36