Submission #946282

#	Time	Username	Problem	Language	Result	Execution time	Memory
946282		vqpahmad	Examination (JOI19_examination)	C++14	2 / 100	3019 ms	318256 KiB

examination

#include<bits/stdc++.h>
using namespace std;
#ifdef ONPC
#include"debug.h"
#else
#define debug(...) 42
#endif
#define endl '\n'
#define ll long long
#define pii pair<int,int>
#define F first
#define S second
#define pb push_back
#define sz(a) (int)a.size()
#define all(a) a.begin(),a.end()
template<class T> bool ckmin(T& a, const T& b) { return b < a ? a = b, 1 : 0; }
template<class T> bool ckmax(T& a, const T& b) { return a < b ? a = b, 1 : 0; }
const int mod = 1e9 + 7;
const int MAXN = 1e6 + 15;
const int inf = 0x3f3f3f3f;
const ll INF = 0x3f3f3f3f3f3f3f3f;
vector<int> ans[MAXN];
struct point {
	int x, y;
};
int main(){
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	int n, q;
	cin >> n >> q;
	vector<point> a(n);
	for (int i = 0; i < n; i++){
		cin >> a[i].x >> a[i].y;
	}
	vector<array<int, 3>> queries(q);
	vector<array<int, 3>> queriesA(q);
	vector<array<int, 3>> queriesB(q);
	for (int i = 0; i < q; i++){
		cin >> queries[i][0] >> queries[i][1] >> queries[i][2];
		queries[i][2] = max(queries[i][2], queries[i][0] + queries[i][1]);
		queriesA[i] = {queries[i][2], queries[i][0], i};
		queriesB[i] = {queries[i][2], queries[i][1], i};
	}
	//sort(all(a));
	for (int i = 0; i < q; i++){// solve for b
		for (int j = 0; j < n; j++){
			if (a[j].x + a[j].y >= queriesA[i][0] && a[j].x < queriesA[i][1]) ans[queriesA[i][2]].pb(j);
		}
	}
	for (int i = 0; i < q; i++){// solve for b
		for (int j = 0; j < n; j++){
			if (a[j].x + a[j].y >= queriesB[i][0] && a[j].y < queriesB[i][1]) ans[queriesB[i][2]].pb(j);
		}
	}
	for (int i = 0; i < q; i++){// solve for c
		for (int j = 0; j < n; j++){
			if (a[j].x + a[j].y < queries[i][2]) ans[queriesB[i][2]].pb(j);
		}
	}
	for (int i = 0; i < q; i++){
		sort(all(ans[i]));
		debug(ans[i]);
	}
	for (int i = 0; i < q; i++){
		cout << n - sz(ans[i]) << endl;
	}
}

Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:6:20: warning: statement has no effect [-Wunused-value]
    6 | #define debug(...) 42
      |                    ^~
examination.cpp:62:3: note: in expansion of macro 'debug'
   62 |   debug(ans[i]);
      |   ^~~~~

• Subtask 1: 2 / 2
• Subtask 2: 0 / 20
• Subtask 3: 0 / 21
• Subtask 4: 0 / 57