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Submission #637689

# Submission time Handle Problem Language Result Execution time Memory
637689 2022-09-02T17:47:18 Z VitaliyFS Exam (eJOI20_exam) C++17
0 / 100
 4 ms 596 KB 
#include<bits/stdc++.h>

using namespace std;

#define fr first
#define sc second

typedef long long ll;
typedef pair<ll, ll> pll;
typedef pair<int, int> pii;
typedef long double ld;

const ll INF = 1000000000000000007, DIM = 200007, DIM2 = 27, MAXN = 100007, MOD = 1000000007;

ll tt, mid, res,f, y, type, ptr, root, cnt, sum, pos, h, p, sx,sy, id, testcase, curans, nn, split, n, m, x, k1, k2, changecnt,k,l,r,v,u, l1,r1,l2,r2;
bool flag, flag2;
char c;
pll a[DIM];
map<ll,ll> used;

void solve() {
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>a[i].fr;
	}
	for(int i=1;i<=n;i++){
		cin>>a[i].sc;
		used[a[i].sc]++;
	}
	for(int i=1;i<=n;i++) if(used[a[i].fr]==0)cnt++;
	sort(a+1,a+1+n);
	for(int i=n;i>=1;i--) {
		if(used[a[i].fr]) {
			res++;used[a[i].fr]--;
			while(used[a[i].fr]>0&&cnt>0) {
				cnt--;used[a[i].fr]--;res++;
			}
		} else cnt--;
	}
	cout<<res<<'\n';
}

int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);

	tt=1;
	// freopen("input.txt","r",stdin);
	// freopen("output.txt","w",stdout);
	//cin>>tt;
	while(tt--) {
		solve();
	}
	return 0;
}

Subtask #1
0 / 14.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 340 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 13.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 23.0

# Verdict Execution time Memory Grader output
1 Incorrect 4 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 22.0

# Verdict Execution time Memory Grader output
1 Incorrect 0 ms 212 KB Output isn't correct
2 Halted 0 ms 0 KB -