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Submission #554020

# Submission time Handle Problem Language Result Execution time Memory
554020 2022-04-27T14:49:26 Z AA_Surely Examination (JOI19_examination) C++14
2 / 100
 3000 ms 7472 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 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], gooni[N];

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

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

int n, q, sz;
VPII keep[SQ];
VI kp[SQ];
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() {
    F0R(i, sz) {
        keep[gooni[i].a / SQ].pb({gooni[i].b, gooni[i].a});
        kp[gooni[i].a / SQ].pb(gooni[i].b);
    }
    
    sz = 0;

    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;
    F0R(i, sz)
        ret += (gooni[i].a >= qs[p].ma && gooni[i].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[sz++] = ns[ptr++];
        if (sz >= 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 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 13 ms 468 KB Output is correct
8 Correct 12 ms 480 KB Output is correct
9 Correct 12 ms 468 KB Output is correct
10 Correct 10 ms 468 KB Output is correct
11 Correct 19 ms 520 KB Output is correct
12 Correct 11 ms 468 KB Output is correct
13 Correct 11 ms 452 KB Output is correct
14 Correct 12 ms 468 KB Output is correct
15 Correct 11 ms 468 KB Output is correct
16 Correct 15 ms 468 KB Output is correct
17 Correct 8 ms 468 KB Output is correct
18 Correct 9 ms 556 KB Output is correct

Subtask #2
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 776 ms 7308 KB Output is correct
2 Correct 762 ms 7216 KB Output is correct
3 Correct 767 ms 7472 KB Output is correct
4 Correct 528 ms 7040 KB Output is correct
5 Execution timed out 3098 ms 5952 KB Time limit exceeded
6 Halted 0 ms 0 KB -

Subtask #3
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 776 ms 7308 KB Output is correct
2 Correct 762 ms 7216 KB Output is correct
3 Correct 767 ms 7472 KB Output is correct
4 Correct 528 ms 7040 KB Output is correct
5 Execution timed out 3098 ms 5952 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 0 ms 340 KB Output is correct
6 Correct 0 ms 340 KB Output is correct
7 Correct 13 ms 468 KB Output is correct
8 Correct 12 ms 480 KB Output is correct
9 Correct 12 ms 468 KB Output is correct
10 Correct 10 ms 468 KB Output is correct
11 Correct 19 ms 520 KB Output is correct
12 Correct 11 ms 468 KB Output is correct
13 Correct 11 ms 452 KB Output is correct
14 Correct 12 ms 468 KB Output is correct
15 Correct 11 ms 468 KB Output is correct
16 Correct 15 ms 468 KB Output is correct
17 Correct 8 ms 468 KB Output is correct
18 Correct 9 ms 556 KB Output is correct
19 Correct 776 ms 7308 KB Output is correct
20 Correct 762 ms 7216 KB Output is correct
21 Correct 767 ms 7472 KB Output is correct
22 Correct 528 ms 7040 KB Output is correct
23 Execution timed out 3098 ms 5952 KB Time limit exceeded
24 Halted 0 ms 0 KB -