oj.uz

Submission #52339

# Submission time Handle Problem Language Result Execution time Memory
52339 2018-06-25T12:59:37 Z testtest(#1965) Fortune Telling 2 (JOI14_fortune_telling2) C++11
35 / 100
 3000 ms 43772 KB 
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <memory.h>
#include <math.h>
#include <assert.h>
#include <stack>
#include <queue>
#include <map>
#include <set>
#include <algorithm>
#include <string>
#include <functional>
#include <vector>
#include <numeric>
#include <deque>
#include <utility>
#include <bitset>
#include <limits.h>
#include <iostream>
 
using namespace std;
typedef long long ll;
typedef unsigned long long llu;
typedef double lf;
typedef unsigned int uint;
typedef long double llf;
typedef pair<int, int> pii;
 
const int N_ = 200500;
const int K_ = 200500;
const int LEAF = 131072*2;
 
int N, K, A[N_], B[N_];
int T[K_], X[K_], XN;
 
struct state {
    int s, b;
    state (int s = (int)1e8, int b = -(int)1e8): s(s), b(b) { }
};
 
state tree[LEAF+LEAF];
 
state merged (state x, state y) {
    return state(min(x.s, y.s), max(x.b, y.b));
}
 
void upd (int p, state v) {
    p += LEAF;
    tree[p] = merged(tree[p], v);
    while(p >>= 1) tree[p] = merged(tree[p+p], tree[p+p+1]);
}
 
state get (int x, int y) {
    state ret;
    if(x > y || x < 1 || y < 1 || x > XN || y > XN) return ret;
    
    x += LEAF; y += LEAF;
    
    while(x <= y) {
        if((x & 1) == 1) ret = merged(ret, tree[x]);
        if((y & 1) == 0) ret = merged(ret, tree[y]);
        x = (x+1) >> 1;
        y = (y-1) >> 1;
    }
    
    return ret;
}
 
ll ans;
int cntX[N_];
 
vector<int> tree2[LEAF+LEAF];
 
int count2 (vector<int> &a, int v) {
    return (int)a.size() - (upper_bound(a.begin(), a.end(), v-1) - a.begin());
}
 
int get2 (int x, int y, int v) {
    int ret = 0;
    
    x += LEAF; y += LEAF;
    while(x <= y) {
        if((x & 1) == 1) ret += count2 (tree2[x], v);
        if((y & 1) == 0) ret += count2 (tree2[y], v);
        x = (x + 1) >> 1;
        y = (y - 1) >> 1;
    }
    
    return ret;
}
int main() {
    scanf("%d%d", &N, &K);
    while(N > 40000);
    for(int i = 1; i <= N; i++) scanf("%d%d", A+i, B+i);
    for(int i = 1; i <= K; i++) scanf("%d", T+i), X[i] = T[i];
    
    sort(X+1, X+K+1);
    XN = unique(X+1, X+K+1) - (X+1);
    
    for(int i = 1; i <= K; i++) {
        int x = lower_bound(X+1, X+XN+1, T[i]) - X;
        upd(x, state(i, i));
        tree2[LEAF+i].push_back(x);
        ++cntX[x];
    }
    
    for(int u = LEAF-1; u > 0; u--) {
        vector<int> &c1 = tree2[u+u];
        vector<int> &c2 = tree2[u+u+1];
        vector<int> &nd = tree2[u];
        nd.reserve(c1.size() + c2.size());
        for(int i = 0, j = 0; nd.size() < c1.size() + c2.size(); ) {
            if(i == c1.size()) nd.push_back(c2[j++]);
            else if(j == c2.size()) nd.push_back(c1[i++]);
            else if(c1[i] < c2[j]) nd.push_back(c1[i++]);
            else nd.push_back(c2[j++]);
        }
    }
    
    for(int i = 1; i <= XN; i++) cntX[i] += cntX[i-1];
    
    for(int i = 1; i <= N; i++) {
        bool r = true;
        if(A[i] > B[i]) r = false, swap(A[i], B[i]);
        int a = upper_bound(X+1, X+XN+1, A[i]-1) - X;
        int b = upper_bound(X+1, X+XN+1, B[i]-1) - X;
        
        state p = get(a, b-1); // I
        state q = get(b, XN);  // J
        int t;
        
        if(q.b == p.b + 1 && p.b > 0) { // .. -> p -> q
            t = A[i];
        }else if(p.b > q.b && q.b > 0) { // q -> q -> q -> p
            t = B[i];
        }else if(p.b - 1 > q.b && p.b > 0) { // .. -> p -> p
            t = B[i];
        }else if(q.b > p.b && p.b > 0) { // .. -> p -> q -> q -> ..
            t = get2(p.b+1, K, b) % 2 == 1 ? A[i] : B[i];
        }else { // only q
            t = r ^ ((K - cntX[a-1]) % 2 == 1) ? A[i] : B[i];
        }
        
        if(K <= 10) {
            if(!r) swap(A[i], B[i]);
        }
        ans += t;
    }
    
    
    
    printf("%lld\n", ans);
    
    return 0;
}
 
/*
 1 5
 5 6
 7
 3
 5
 7
 6
 
 6 4
 
 */

Compilation message

fortune_telling2.cpp: In function 'int main()':
fortune_telling2.cpp:114:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(i == c1.size()) nd.push_back(c2[j++]);
                ~~^~~~~~~~~~~~
fortune_telling2.cpp:115:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             else if(j == c2.size()) nd.push_back(c1[i++]);
                     ~~^~~~~~~~~~~~
fortune_telling2.cpp:93:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &N, &K);
     ~~~~~^~~~~~~~~~~~~~~~
fortune_telling2.cpp:95:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= N; i++) scanf("%d%d", A+i, B+i);
                                 ~~~~~^~~~~~~~~~~~~~~~~~
fortune_telling2.cpp:96:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= K; i++) scanf("%d", T+i), X[i] = T[i];
                                 ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 16888 KB Output is correct
2 Correct 18 ms 16888 KB Output is correct
3 Correct 20 ms 17048 KB Output is correct
4 Correct 21 ms 17048 KB Output is correct
5 Correct 24 ms 17048 KB Output is correct
6 Correct 22 ms 17048 KB Output is correct
7 Correct 19 ms 17048 KB Output is correct
8 Correct 20 ms 17048 KB Output is correct
9 Correct 18 ms 17048 KB Output is correct
10 Correct 23 ms 17184 KB Output is correct
11 Correct 19 ms 17184 KB Output is correct
12 Correct 25 ms 17184 KB Output is correct
13 Correct 23 ms 17184 KB Output is correct

Subtask #2
31.0 / 31.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 16888 KB Output is correct
2 Correct 18 ms 16888 KB Output is correct
3 Correct 20 ms 17048 KB Output is correct
4 Correct 21 ms 17048 KB Output is correct
5 Correct 24 ms 17048 KB Output is correct
6 Correct 22 ms 17048 KB Output is correct
7 Correct 19 ms 17048 KB Output is correct
8 Correct 20 ms 17048 KB Output is correct
9 Correct 18 ms 17048 KB Output is correct
10 Correct 23 ms 17184 KB Output is correct
11 Correct 19 ms 17184 KB Output is correct
12 Correct 25 ms 17184 KB Output is correct
13 Correct 23 ms 17184 KB Output is correct
14 Correct 35 ms 18412 KB Output is correct
15 Correct 50 ms 19820 KB Output is correct
16 Correct 68 ms 21228 KB Output is correct
17 Correct 86 ms 22580 KB Output is correct
18 Correct 123 ms 22636 KB Output is correct
19 Correct 91 ms 22764 KB Output is correct
20 Correct 102 ms 22764 KB Output is correct
21 Correct 81 ms 22764 KB Output is correct
22 Correct 69 ms 22764 KB Output is correct
23 Correct 67 ms 22764 KB Output is correct
24 Correct 76 ms 22764 KB Output is correct
25 Correct 72 ms 22764 KB Output is correct
26 Correct 90 ms 22764 KB Output is correct
27 Correct 134 ms 22764 KB Output is correct
28 Correct 96 ms 22764 KB Output is correct
29 Correct 105 ms 22764 KB Output is correct

Subtask #3
0 / 65.0

# Verdict Execution time Memory Grader output
1 Correct 18 ms 16888 KB Output is correct
2 Correct 18 ms 16888 KB Output is correct
3 Correct 20 ms 17048 KB Output is correct
4 Correct 21 ms 17048 KB Output is correct
5 Correct 24 ms 17048 KB Output is correct
6 Correct 22 ms 17048 KB Output is correct
7 Correct 19 ms 17048 KB Output is correct
8 Correct 20 ms 17048 KB Output is correct
9 Correct 18 ms 17048 KB Output is correct
10 Correct 23 ms 17184 KB Output is correct
11 Correct 19 ms 17184 KB Output is correct
12 Correct 25 ms 17184 KB Output is correct
13 Correct 23 ms 17184 KB Output is correct
14 Correct 35 ms 18412 KB Output is correct
15 Correct 50 ms 19820 KB Output is correct
16 Correct 68 ms 21228 KB Output is correct
17 Correct 86 ms 22580 KB Output is correct
18 Correct 123 ms 22636 KB Output is correct
19 Correct 91 ms 22764 KB Output is correct
20 Correct 102 ms 22764 KB Output is correct
21 Correct 81 ms 22764 KB Output is correct
22 Correct 69 ms 22764 KB Output is correct
23 Correct 67 ms 22764 KB Output is correct
24 Correct 76 ms 22764 KB Output is correct
25 Correct 72 ms 22764 KB Output is correct
26 Correct 90 ms 22764 KB Output is correct
27 Correct 134 ms 22764 KB Output is correct
28 Correct 96 ms 22764 KB Output is correct
29 Correct 105 ms 22764 KB Output is correct
30 Correct 220 ms 43772 KB Output is correct
31 Execution timed out 3053 ms 43772 KB Time limit exceeded
32 Halted 0 ms 0 KB -