Submission #16872

# Submission time Handle Problem Language Result Execution time Memory
16872 2015-10-24T01:51:19 Z gs14004 통로 위의 개미 (kriii3_X) C++14
30 / 85
3000 ms 51412 KB
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <limits.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 <iostream>
using namespace std;
typedef long long lint;
typedef long double llf;
typedef pair<int, int> pi;

 
static char _buffer[1024];
static int _currentChar = 0;
static int _charsNumber = 0;
 
static inline int _read() {
    if (_charsNumber < 0) {
        exit(1);
    }
    if (!_charsNumber || _currentChar == _charsNumber) {
        _charsNumber = (int)fread(_buffer, sizeof(_buffer[0]), sizeof(_buffer), stdin);
        _currentChar = 0;
    }
    if (_charsNumber <= 0) {
        return -1;
    }
    return _buffer[_currentChar++];
}
 
 
static inline long long _readLong() {
    int c, s;
    lint x;
    c = _read();
    while (c <= 32) c = _read();
    x = 0;
    s = 1;
    if (c == '-') {
        s = -1;
        c = _read();
    }
    while (c > 32) {
        x *= 10;
        x += c - '0';
        c = _read();
    }
    if (s < 0) x = -x;
    return x;
}
 
static inline int _readInt() {
    int c, x, s;
    c = _read();
    while (c <= 32) c = _read();
    x = 0;
    s = 1;
    if (c == '-') {
        s = -1;
        c = _read();
    }
    while (c > 32) {
        x *= 10;
        x += c - '0';
        c = _read();
    }
    if (s < 0) x = -x;
    return x;
}
 
lint l;
int q;
   
int ants_kth[200005];
   
struct node{
    int ls, rs, v;
};

node tree[4000005];
int piv = 2;
   
void add(int pos, int ps, int pe, int p){
    tree[p].v++;
    if(ps == pe) return;
    int pm = ps + (pe - ps) / 2;
    if(pos <= pm){
        if(!tree[p].ls) tree[p].ls = ++piv;
        add(pos, ps, pm, tree[p].ls);
    }
    else{
        if(!tree[p].rs) tree[p].rs = ++piv;
        add(pos, pm + 1, pe, tree[p].rs);
    }
}
   
int sum(int s, int e, int ps, int pe, int p){
    if(s <= ps && pe <= e) return tree[p].v;
    int pm = ps + (pe - ps) / 2;
    int ret = 0;
    if(pm >= s && tree[p].ls) ret += sum(s,e,ps,pm,tree[p].ls);
    if(e >= pm + 1 && tree[p].rs) ret += sum(s,e,pm+1,pe,tree[p].rs);
    return ret;
}
      
inline int get_sum(lint s, lint e, int r){
    if(e >= 2 * l){
    	return tree[r].v - sum(e - 2 * l + 1, s - 1, 0, 2*l-1, r);
    }
    return sum(s, e, 0, 2*l-1, r);
}
   
inline lint norm(lint x){
    x %= 2 * l;
    x += 2 * l;
    x %= 2 * l;
    return x;
}
   
int qiv = 1;
   
int get_low(lint p, lint t){
    if(p == l) return qiv-1;
    int ret = 0;
    ret += get_sum(norm(-t), norm(-t) + p, 1);
    ret += get_sum(norm(- p - t), norm(- p - t) + p - 1, 1);
    ret += get_sum(norm(t), norm(t) + p, 2);
    ret += get_sum(norm(- p + t), norm(- p + t) + p - 1, 2);
    return ret;
}
   
deque<int> v[705];
int map_int[200005];
  
int main(){
    v[0].push_back(-1);
    l = _readLong();
    q = _readInt();
    for(int i=0; i<q; i++){
        lint t = _readLong();
        lint p = _readLong();
        if(p == 1){
            lint pos = _readLong();
            lint dx = _readLong();
            int k = 1 + get_low(pos,t);
            map_int[qiv] = k / 300;
            v[k/300].push_back(-1);
            for(int i=v[k/300].size() - 1; i > k % 300; i--){
                v[k/300][i] = v[k/300][i-1];
            }
            v[k/300][k%300] = qiv;
            for(int i=k / 300; i <= qiv / 300; i++){
                if(v[i].size() <= 300) break;
                if(v[i].size() > 300){
                    map_int[v[i].back()] = i+1;
                    v[i+1].push_front(v[i].back());
                    v[i].pop_back();
                }
            }
            qiv++;
            lint p = 1ll * pos - (1ll * dx * t % (2 * l)) + 2 * l;
            p %= (2 * l);
            p += 2 * l;
            p %= 2 * l;
            if(dx < 0) add(p,0,2*l-1,2);
            else add(p,0,2*l-1,1);
        }
        else{
            int x = _readInt();
            int pt = map_int[x];
            for(int j=0; j<v[pt].size(); j++){
                if(v[pt][j] == x){
                    x = pt * 300 + j;
                    break;
                }
            }
            int s = 0, e = l;
            while(s != e){
                int m = (s+e)/2;
                if(get_low(m,t) < x) s = m+1;
                else e = m;
            }
            printf("%d\n",s);
        }
    }
}
# Verdict Execution time Memory Grader output
1 Correct 3 ms 50620 KB Output is correct
2 Correct 4 ms 50620 KB Output is correct
3 Correct 4 ms 50620 KB Output is correct
4 Correct 5 ms 50620 KB Output is correct
5 Correct 4 ms 50620 KB Output is correct
6 Correct 4 ms 50620 KB Output is correct
7 Correct 5 ms 50620 KB Output is correct
8 Correct 4 ms 50620 KB Output is correct
9 Correct 6 ms 50620 KB Output is correct
10 Correct 4 ms 50620 KB Output is correct
11 Correct 5 ms 50620 KB Output is correct
12 Correct 4 ms 50620 KB Output is correct
13 Correct 6 ms 50620 KB Output is correct
14 Correct 7 ms 50620 KB Output is correct
15 Correct 7 ms 50620 KB Output is correct
16 Correct 3 ms 50620 KB Output is correct
17 Correct 2 ms 50620 KB Output is correct
18 Correct 3 ms 50620 KB Output is correct
19 Correct 2 ms 50620 KB Output is correct
20 Correct 3 ms 50620 KB Output is correct
21 Correct 15 ms 50620 KB Output is correct
22 Correct 5 ms 50620 KB Output is correct
23 Correct 3 ms 50620 KB Output is correct
24 Correct 4 ms 50620 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 1248 ms 50620 KB Output is correct
2 Correct 807 ms 50752 KB Output is correct
3 Correct 1755 ms 50620 KB Output is correct
4 Correct 1555 ms 50884 KB Output is correct
5 Correct 961 ms 51016 KB Output is correct
6 Correct 689 ms 51016 KB Output is correct
7 Correct 930 ms 51016 KB Output is correct
8 Correct 972 ms 51016 KB Output is correct
9 Correct 1917 ms 51412 KB Output is correct
10 Correct 2098 ms 51412 KB Output is correct
11 Correct 1295 ms 51280 KB Output is correct
12 Execution timed out 3000 ms 50752 KB Program timed out