oj.uz

Submission #133336

# Submission time Handle Problem Language Result Execution time Memory
133336 2019-07-20T12:17:14 Z sealnot123 Game (IOI14_game) C++14
100 / 100
 689 ms 22916 KB 
#include "game.h"
 
#include<bits/stdc++.h>
#define x first
#define y second
#define pb push_back
#define eb emplace_back
#define all(a) (a).begin(),(a).end()
#define SZ(a) (int)(a).size()
using namespace std;
typedef long long LL;
typedef pair<LL,LL> PLL;
typedef pair<int,int> PII;
typedef double D;
typedef long double LD;
const int N = 1505;
int n, sq;
int sqg[N][N], g[N][N], l[N], r[N];
int mk[N];
queue<int> bfs;
 
bool check(int a){
    int b = a*sq;
    int i, j = 1;
    for(i = l[b]; i < r[b]; i++){
        mk[i] = 0;
    }
    mk[b] = 1;
    bfs.push(b);
    while(!bfs.empty()){
        int u = bfs.front();
        bfs.pop();
        for(i = l[u]; i < r[u]; i++){
            if(!g[u][i] || mk[i]) continue;
            j++;
            mk[i] = 1;
            bfs.push(i);
        }
    }
    return j == r[b]-l[b];
}
 
bool check_group(){
    int a = (n+sq-1)/sq;
    int i, j = 1;
    for(i = 0; i < a; i++){
        mk[i] = 0;
    }
    mk[0] = 1;
    bfs.push(0);
    while(!bfs.empty()){
        int u = bfs.front();
        bfs.pop();
        for(i = 0; i < a; i++){
            if(!sqg[u][i] || mk[i]) continue;
            mk[i] = 1;
            j++;
            bfs.push(i);
        }
    }
    return j == a;
}
 
void initialize(int nn) {
    n = nn;
    LL i, j, a, b, c;
    sq = sqrt(nn);
    for(i = 0; i < n; i++){
        for(j = i+1; j < n; j++){
            a = i/sq;
            b = j/sq;
            if(a == b) g[i][j] = g[j][i] = 1;
            else sqg[a][b]++,sqg[b][a]++;
        }
        l[i] = i/sq*sq;
        r[i] = min(i/sq*sq+sq, (LL)n);
    }
}
 
int hasEdge(int u, int v) {
    if(u > v) swap(u, v);
    int i, j, a, b, res;
    a = u/sq;
    b = v/sq;
    if(a == b){
        g[u][v] = g[v][u] = 0;
        res = check(a);
        if(!res){
            g[u][v] = g[v][u] = 1;
            return 1;
        }
        return 0;
    }else{
        sqg[a][b]--;
        sqg[b][a]--;
        if(sqg[a][b] != 0) return 0;
        res = check_group();
        if(!res){
            sqg[a][b]++;
            sqg[b][a]++;
            return 1;
        }
        return 0;
    }
    return 0;
}

Compilation message

game.cpp: In function 'void initialize(int)':
game.cpp:66:20: warning: unused variable 'c' [-Wunused-variable]
     LL i, j, a, b, c;
                    ^
game.cpp: In function 'int hasEdge(int, int)':
game.cpp:82:9: warning: unused variable 'i' [-Wunused-variable]
     int i, j, a, b, res;
         ^
game.cpp:82:12: warning: unused variable 'j' [-Wunused-variable]
     int i, j, a, b, res;
            ^

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct

Subtask #2
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 296 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 504 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 504 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 2 ms 504 KB Output is correct
29 Correct 2 ms 508 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 2 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 3 ms 760 KB Output is correct
35 Correct 4 ms 760 KB Output is correct
36 Correct 3 ms 760 KB Output is correct
37 Correct 3 ms 760 KB Output is correct
38 Correct 4 ms 760 KB Output is correct
39 Correct 4 ms 760 KB Output is correct
40 Correct 4 ms 760 KB Output is correct
41 Correct 4 ms 760 KB Output is correct
42 Correct 3 ms 760 KB Output is correct
43 Correct 3 ms 888 KB Output is correct
44 Correct 3 ms 760 KB Output is correct
45 Correct 3 ms 760 KB Output is correct
46 Correct 3 ms 760 KB Output is correct
47 Correct 4 ms 760 KB Output is correct
48 Correct 4 ms 760 KB Output is correct
49 Correct 4 ms 760 KB Output is correct
50 Correct 4 ms 760 KB Output is correct
51 Correct 3 ms 760 KB Output is correct
52 Correct 3 ms 760 KB Output is correct
53 Correct 4 ms 760 KB Output is correct
54 Correct 4 ms 760 KB Output is correct

Subtask #3
58.0 / 58.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 380 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 380 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 380 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 504 KB Output is correct
26 Correct 2 ms 552 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 2 ms 504 KB Output is correct
29 Correct 2 ms 504 KB Output is correct
30 Correct 3 ms 504 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 2 ms 504 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 3 ms 760 KB Output is correct
35 Correct 3 ms 760 KB Output is correct
36 Correct 3 ms 760 KB Output is correct
37 Correct 3 ms 760 KB Output is correct
38 Correct 3 ms 760 KB Output is correct
39 Correct 3 ms 760 KB Output is correct
40 Correct 3 ms 760 KB Output is correct
41 Correct 4 ms 760 KB Output is correct
42 Correct 4 ms 760 KB Output is correct
43 Correct 3 ms 760 KB Output is correct
44 Correct 3 ms 764 KB Output is correct
45 Correct 3 ms 764 KB Output is correct
46 Correct 3 ms 760 KB Output is correct
47 Correct 4 ms 760 KB Output is correct
48 Correct 4 ms 760 KB Output is correct
49 Correct 4 ms 760 KB Output is correct
50 Correct 4 ms 760 KB Output is correct
51 Correct 3 ms 760 KB Output is correct
52 Correct 3 ms 760 KB Output is correct
53 Correct 3 ms 760 KB Output is correct
54 Correct 4 ms 760 KB Output is correct
55 Correct 65 ms 3576 KB Output is correct
56 Correct 65 ms 3584 KB Output is correct
57 Correct 65 ms 3576 KB Output is correct
58 Correct 69 ms 3576 KB Output is correct
59 Correct 66 ms 3576 KB Output is correct
60 Correct 65 ms 3576 KB Output is correct
61 Correct 65 ms 3580 KB Output is correct
62 Correct 65 ms 3576 KB Output is correct
63 Correct 66 ms 3596 KB Output is correct
64 Correct 56 ms 3540 KB Output is correct
65 Correct 57 ms 3576 KB Output is correct
66 Correct 65 ms 3568 KB Output is correct
67 Correct 66 ms 3576 KB Output is correct
68 Correct 66 ms 3580 KB Output is correct
69 Correct 65 ms 3468 KB Output is correct
70 Correct 67 ms 3576 KB Output is correct
71 Correct 62 ms 3576 KB Output is correct
72 Correct 62 ms 3576 KB Output is correct
73 Correct 63 ms 3576 KB Output is correct
74 Correct 64 ms 3576 KB Output is correct
75 Correct 63 ms 3496 KB Output is correct
76 Correct 156 ms 5884 KB Output is correct
77 Correct 157 ms 5880 KB Output is correct
78 Correct 157 ms 5880 KB Output is correct
79 Correct 156 ms 5916 KB Output is correct
80 Correct 157 ms 5884 KB Output is correct
81 Correct 157 ms 5880 KB Output is correct
82 Correct 158 ms 5880 KB Output is correct
83 Correct 158 ms 6020 KB Output is correct
84 Correct 160 ms 5880 KB Output is correct
85 Correct 299 ms 8280 KB Output is correct
86 Correct 300 ms 8188 KB Output is correct
87 Correct 315 ms 8184 KB Output is correct
88 Correct 305 ms 8184 KB Output is correct
89 Correct 299 ms 8184 KB Output is correct
90 Correct 299 ms 8184 KB Output is correct
91 Correct 297 ms 8236 KB Output is correct
92 Correct 309 ms 8140 KB Output is correct
93 Correct 296 ms 8184 KB Output is correct
94 Correct 681 ms 14044 KB Output is correct
95 Correct 685 ms 22776 KB Output is correct
96 Correct 684 ms 22904 KB Output is correct
97 Correct 686 ms 22776 KB Output is correct
98 Correct 689 ms 22916 KB Output is correct
99 Correct 685 ms 22904 KB Output is correct
100 Correct 689 ms 22904 KB Output is correct