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Submission #554018

# Submission time Handle Problem Language Result Execution time Memory
554018 2022-04-27T14:46:33 Z AA_Surely Examination (JOI19_examination) C++14
2 / 100
 3000 ms 7420 KB 
#include <bits/stdc++.h>

#define FOR(i,x,n) 	for(int i=x; i<n; i++)
#define F0R(i,n) 	FOR(i,0,n)
#define ROF(i,x,n) 	for(int i=n-1; i>=x; i--)
#define R0F(i,n) 	ROF(i,0,n)

#define WTF 		cout << "WTF" << endl

#define IOS 		ios::sync_with_stdio(false); cin.tie(0)
#define F 			first
#define S	 		second
#define pb 			push_back

#define ALL(x) 		x.begin(), x.end()
#define RALL(x) 	x.rbegin(), x.rend()

using namespace std;

typedef pair<int, int> 	PII;

typedef vector<int> 	VI;
typedef vector<PII> 	VPII;

const int N = 1e5 + 7;
const int SQ = 400;
const int TOF = 800;

struct Tutee {
    int a, b, c;

    inline bool operator < (const Tutee other) {
        return c > other.c;
    }

} ns[N];

struct Query {
    int ma, mb, mc, id;

    inline bool operator < (const Query other) {
        return mc > other.mc;
    }
} qs[N];

int n, q;
VPII keep[SQ];
VI kp[SQ];
vector<Tutee> gooni;
int ans[N];

void init() {
    cin >> n >> q;
    VI comp;

    F0R(i, n) {
        cin >> ns[i].a >> ns[i].b;
        ns[i].c = ns[i].a + ns[i].b;
    }

    F0R(i, q) {
        cin >> qs[i].ma >> qs[i].mb >> qs[i].mc;
        qs[i].id = i;
    }

    comp.resize(n);
    F0R(i, n) comp[i] = ns[i].a;
    sort(ALL(comp));
    comp.resize(unique(ALL(comp)) - comp.begin());
    F0R(i, n) ns[i].a = lower_bound(ALL(comp), ns[i].a) - comp.begin();
    F0R(i, q) qs[i].ma = lower_bound(ALL(comp), qs[i].ma) - comp.begin();

    comp.resize(n);
    F0R(i, n) comp[i] = ns[i].b;
    sort(ALL(comp));
    comp.resize(unique(ALL(comp)) - comp.begin());
    F0R(i, n) ns[i].b = lower_bound(ALL(comp), ns[i].b) - comp.begin();
    F0R(i, q) qs[i].mb = lower_bound(ALL(comp), qs[i].mb) - comp.begin();

    comp.resize(n);
    F0R(i, n) comp[i] = ns[i].c;
    sort(ALL(comp));
    comp.resize(unique(ALL(comp)) - comp.begin());
    F0R(i, n) ns[i].c = lower_bound(ALL(comp), ns[i].c) - comp.begin();
    F0R(i, q) qs[i].mc = lower_bound(ALL(comp), qs[i].mc) - comp.begin();

    return;
}

inline void rebuild() {
    for(const Tutee &t : gooni) {
        keep[t.a / SQ].pb({t.b, t.a});
        kp[t.a / SQ].pb(t.b);
    }

    gooni.clear();

    F0R(i, SQ) {
        sort(ALL(keep[i]));
        sort(ALL(kp[i]));
    }

    return;
}

inline int getKeep(int p) {
    int dasti = qs[p].ma / SQ;

    int ret = 0;
    for(const PII &on : keep[dasti]) 
        ret += (on.S >= qs[p].ma && on.F >= qs[p].mb);

    FOR(i, dasti + 1, SQ) ret += kp[i].size() - (lower_bound(ALL(kp[i]), qs[p].mb) - kp[i].begin());
    return ret;
}

inline int getGooni(int p) {
    int ret = 0;
    for(const Tutee &on : gooni)
        ret += (on.a >= qs[p].ma && on.b >= qs[p].mb);
    return ret;
}

int main() {
    IOS;
    
    init();
    sort(qs, qs + q);
    sort(ns, ns + n);
    
    int ptr = 0;
    F0R(i, q) {
        while(ptr < n && ns[ptr].c >= qs[i].mc) gooni.emplace_back(ns[ptr++]);
        if (gooni.size() >= TOF) rebuild();

        ans[ qs[i].id ] = getKeep(i) + getGooni(i);
    }

    F0R(i, q) cout << ans[i] << '\n';
    return 0;
}

Subtask #1
2.0 / 2.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 12 ms 468 KB Output is correct
8 Correct 11 ms 480 KB Output is correct
9 Correct 13 ms 500 KB Output is correct
10 Correct 9 ms 468 KB Output is correct
11 Correct 22 ms 520 KB Output is correct
12 Correct 10 ms 468 KB Output is correct
13 Correct 11 ms 544 KB Output is correct
14 Correct 11 ms 548 KB Output is correct
15 Correct 12 ms 548 KB Output is correct
16 Correct 14 ms 468 KB Output is correct
17 Correct 11 ms 468 KB Output is correct
18 Correct 7 ms 568 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 806 ms 7188 KB Output is correct
2 Correct 765 ms 7200 KB Output is correct
3 Correct 810 ms 7420 KB Output is correct
4 Correct 498 ms 7108 KB Output is correct
5 Execution timed out 3080 ms 6128 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 806 ms 7188 KB Output is correct
2 Correct 765 ms 7200 KB Output is correct
3 Correct 810 ms 7420 KB Output is correct
4 Correct 498 ms 7108 KB Output is correct
5 Execution timed out 3080 ms 6128 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #4
0 / 57.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 340 KB Output is correct
2 Correct 1 ms 340 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 12 ms 468 KB Output is correct
8 Correct 11 ms 480 KB Output is correct
9 Correct 13 ms 500 KB Output is correct
10 Correct 9 ms 468 KB Output is correct
11 Correct 22 ms 520 KB Output is correct
12 Correct 10 ms 468 KB Output is correct
13 Correct 11 ms 544 KB Output is correct
14 Correct 11 ms 548 KB Output is correct
15 Correct 12 ms 548 KB Output is correct
16 Correct 14 ms 468 KB Output is correct
17 Correct 11 ms 468 KB Output is correct
18 Correct 7 ms 568 KB Output is correct
19 Correct 806 ms 7188 KB Output is correct
20 Correct 765 ms 7200 KB Output is correct
21 Correct 810 ms 7420 KB Output is correct
22 Correct 498 ms 7108 KB Output is correct
23 Execution timed out 3080 ms 6128 KB Time limit exceeded
24 Halted 0 ms 0 KB -