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Submission #262784

# Submission time Handle Problem Language Result Execution time Memory
262784 2020-08-13T08:54:10 Z 임성재(#5086) Pairs (IOI07_pairs) C++17
30 / 100
 266 ms 91028 KB 
#include<bits/stdc++.h>
using namespace std;

#define fast ios::sync_with_stdio(false); cin.tie(0);
#define pre(a) cout << fixed; cout.precision(a);
#define fi first
#define se second
#define em emplace
#define eb emplace_back
#define all(v) (v).begin() (v).end()
#define mp make_pair
#define mt make_tuple

typedef long long ll;
typedef pair<int,int> pii;
typedef pair<ll,ll> pll;
const ll INF = 1e18;
const int inf = 1e9;

struct point {
	ll x[3];
	point() {
		x[0] = x[1] = x[2] = 0;
	}

	bool operator<(point &p) {
		return mt(x[0], x[1], x[2]) < mt(p.x[0], p.x[1], p.x[2]);
	}
};

ll b, n, d, m;
point p[100010];
ll tree[800010];
vector<int> v[1500010];
vector<pii> st[150010], ed[150010];


void update(int node, int s, int e, int i) {
	if(s == e) {
		tree[node]++;
		return;
	}

	int m = (s+e)/2;

	if(i <= m) update(node*2, s, m, i);
	else update(node*2+1, m+1, e, i);

	tree[node] = tree[node*2] + tree[node*2+1];
}

ll cal(int node, int s, int e, int l, int r) {
	if(r < s || e < l) return 0;
	if(l <= s && e <= r) return tree[node];

	return cal(node*2, s, (s+e)/2, l, r) + cal(node*2+1, (s+e)/2+1, e, l, r);
}

int main() {
	fast;

	cin >> b >> n >> d >> m;

	for(int i=1; i<=n; i++) {
		for(int j=0; j<b; j++) {
			cin >> p[i].x[j];
		}
	}

	for(int i=1; i<=n; i++) {
		int x = p[i].x[0];
		int y = p[i].x[1];

		v[x+y].eb(x - y);

		st[max(2LL, x + y - d)].eb(max(1-m, x-y-d), min(m-1, x-y+d));
		ed[min(2*m, x + y + d)].eb(max(1-m, x-y-d), min(m-1, x-y+d));
	}

	ll ans = 0;
	for(int i=2; i<=2*m; i++) {
		for(auto j : st[i]) {
			ans -= cal(1, 1, 2*m-1, m+j.fi, m+j.se);
		}

		for(auto j : v[i]) {
			update(1, 1, 2*m-1, m+j);
		}

		for(auto j : ed[i]) {
			ans += cal(1, 1, 2*m-1, m+j.fi, m+j.se);
		}
	}

	cout << (ans - n)/2;
}

Subtask #1
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 31 ms 44928 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 88 ms 90872 KB Execution killed with signal 11 (could be triggered by violating memory limits)

Subtask #3
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 66 ms 47736 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 98 ms 90836 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #5
0 / 6.0

# Verdict Execution time Memory Grader output
1 Runtime error 105 ms 91028 KB Execution killed with signal 11 (could be triggered by violating memory limits)
2 Halted 0 ms 0 KB -

Subtask #6
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 34 ms 47744 KB Output is correct
2 Correct 35 ms 47752 KB Output is correct

Subtask #7
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 77 ms 47780 KB Output is correct
2 Correct 70 ms 47336 KB Output is correct

Subtask #8
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 124 ms 48140 KB Output is correct
2 Correct 102 ms 47856 KB Output is correct
3 Correct 101 ms 48212 KB Output is correct
4 Correct 106 ms 47812 KB Output is correct

Subtask #9
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 266 ms 55384 KB Output is correct
2 Correct 203 ms 54800 KB Output is correct
3 Correct 136 ms 51188 KB Output is correct
4 Correct 139 ms 51192 KB Output is correct

Subtask #10
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 31 ms 45048 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 69 ms 47704 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 101 ms 47744 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #13
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 84 ms 48008 KB Output isn't correct
2 Halted 0 ms 0 KB -