oj.uz

Submission #378522

# Submission time Handle Problem Language Result Execution time Memory
378522 2021-03-17T01:24:13 Z i_am_noob Chessboard (IZhO18_chessboard) C++17
70 / 100
 374 ms 4332 KB 
#include<bits/stdc++.h>
using namespace std;

#define int long long
#define rep(n) rep1(i,n)
#define rep1(i,n) rep2(i,0,n)
#define rep2(i,a,b) for(int i=a; i<b; ++i)
#define rep3(i,a,b) for(int i=a; i>=b; --i)
#define sz(a) ((int)a.size())
#define all(a) a.begin(),a.end()
#define pow2(x) (1ll<<(x))

#ifdef i_am_noob
#define bug(...) cerr << "#" << __LINE__ << ' ' << #__VA_ARGS__ << "- ", _do(__VA_ARGS__)
template<typename T> void _do(T && x){cerr << x << endl;}
template<typename T, typename ...S> void _do(T && x, S&&... y){cerr << x << ' ',_do(y...);}
#else
#define bug(...) 826
#endif

const int maxn=100005;
const int mod=1000000007;
#define y1 hhhhaura_TOI_2J

int n,k,x1[maxn],x2[maxn],y1[maxn],y2[maxn],area,ans=1e18;

int calc1(int t, int id){
    return ((x1[id]/t)+(y1[id]/t))&1;
}

int calc2(int t, int id){
    return !(((x1[id]/t)+(y1[id]/t))&1);
}

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    #ifdef i_am_noob
    freopen("input1.txt","r",stdin);
    freopen("output1.txt","w",stdout);
    freopen("output2.txt","w",stderr);
    #endif
    cin >> n >> k;
    rep(k) cin >> x1[i] >> y1[i] >> x2[i] >> y2[i];
    rep(k) x1[i]--,y1[i]--,x2[i]--,y2[i]--;
    rep(k) area+=(x2[i]-x1[i]+1)*(y2[i]-y1[i]+1);
    bug(area);
    rep2(i,1,n) if(n%i==0){
        int val=0;
        rep1(j,k) val+=calc1(i,j);
        //area-val good
        //cnt(black)-(area-val)
        bug(val);
        val+=((n/i)&1?((n/i)*(n/i)+1)/2*i*i:(n/i)*(n/i)/2*i*i)-area+val;
        ans=min(ans,val);
        bug(val);
        val=0;
        rep1(j,k) val+=calc2(i,j);
        bug(val);
        val+=(n/i)*(n/i)/2*i*i-area+val;
        ans=min(ans,val);
        bug(val);
    }
    cout << ans << "\n";
}

Compilation message

chessboard.cpp: In function 'int main()':
chessboard.cpp:18:18: warning: statement has no effect [-Wunused-value]
   18 | #define bug(...) 826
      |                  ^~~
chessboard.cpp:46:5: note: in expansion of macro 'bug'
   46 |     bug(area);
      |     ^~~
chessboard.cpp:18:18: warning: statement has no effect [-Wunused-value]
   18 | #define bug(...) 826
      |                  ^~~
chessboard.cpp:52:9: note: in expansion of macro 'bug'
   52 |         bug(val);
      |         ^~~
chessboard.cpp:18:18: warning: statement has no effect [-Wunused-value]
   18 | #define bug(...) 826
      |                  ^~~
chessboard.cpp:55:9: note: in expansion of macro 'bug'
   55 |         bug(val);
      |         ^~~
chessboard.cpp:18:18: warning: statement has no effect [-Wunused-value]
   18 | #define bug(...) 826
      |                  ^~~
chessboard.cpp:58:9: note: in expansion of macro 'bug'
   58 |         bug(val);
      |         ^~~
chessboard.cpp:18:18: warning: statement has no effect [-Wunused-value]
   18 | #define bug(...) 826
      |                  ^~~
chessboard.cpp:61:9: note: in expansion of macro 'bug'
   61 |         bug(val);
      |         ^~~

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct

Subtask #2
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 2924 KB Output is correct
2 Correct 9 ms 1260 KB Output is correct
3 Correct 17 ms 2416 KB Output is correct
4 Correct 19 ms 2540 KB Output is correct
5 Correct 26 ms 2796 KB Output is correct
6 Correct 18 ms 2284 KB Output is correct
7 Correct 4 ms 748 KB Output is correct
8 Correct 16 ms 2156 KB Output is correct
9 Correct 53 ms 3948 KB Output is correct
10 Correct 22 ms 2700 KB Output is correct

Subtask #3
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 1 ms 396 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct

Subtask #4
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 1 ms 396 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 1 ms 364 KB Output is correct
10 Correct 1 ms 364 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 1 ms 364 KB Output is correct
15 Correct 1 ms 364 KB Output is correct
16 Correct 12 ms 1600 KB Output is correct
17 Correct 36 ms 3692 KB Output is correct
18 Correct 45 ms 4204 KB Output is correct
19 Correct 84 ms 3820 KB Output is correct
20 Correct 115 ms 4204 KB Output is correct
21 Correct 29 ms 3692 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 22 ms 2412 KB Output is correct
24 Correct 37 ms 3948 KB Output is correct
25 Correct 5 ms 748 KB Output is correct
26 Correct 23 ms 2924 KB Output is correct
27 Correct 30 ms 3308 KB Output is correct
28 Correct 38 ms 4076 KB Output is correct
29 Correct 12 ms 1900 KB Output is correct
30 Correct 2 ms 492 KB Output is correct

Subtask #5
23.0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 2924 KB Output is correct
2 Correct 9 ms 1260 KB Output is correct
3 Correct 17 ms 2416 KB Output is correct
4 Correct 19 ms 2540 KB Output is correct
5 Correct 26 ms 2796 KB Output is correct
6 Correct 18 ms 2284 KB Output is correct
7 Correct 4 ms 748 KB Output is correct
8 Correct 16 ms 2156 KB Output is correct
9 Correct 53 ms 3948 KB Output is correct
10 Correct 22 ms 2700 KB Output is correct
11 Correct 1 ms 364 KB Output is correct
12 Correct 1 ms 364 KB Output is correct
13 Correct 1 ms 364 KB Output is correct
14 Correct 2 ms 364 KB Output is correct
15 Correct 1 ms 396 KB Output is correct
16 Correct 1 ms 364 KB Output is correct
17 Correct 1 ms 364 KB Output is correct
18 Correct 1 ms 364 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 1 ms 364 KB Output is correct
23 Correct 1 ms 364 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 12 ms 1600 KB Output is correct
27 Correct 36 ms 3692 KB Output is correct
28 Correct 45 ms 4204 KB Output is correct
29 Correct 84 ms 3820 KB Output is correct
30 Correct 115 ms 4204 KB Output is correct
31 Correct 29 ms 3692 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 22 ms 2412 KB Output is correct
34 Correct 37 ms 3948 KB Output is correct
35 Correct 5 ms 748 KB Output is correct
36 Correct 23 ms 2924 KB Output is correct
37 Correct 30 ms 3308 KB Output is correct
38 Correct 38 ms 4076 KB Output is correct
39 Correct 12 ms 1900 KB Output is correct
40 Correct 2 ms 492 KB Output is correct
41 Correct 83 ms 3692 KB Output is correct
42 Correct 43 ms 4076 KB Output is correct
43 Correct 56 ms 3692 KB Output is correct
44 Correct 44 ms 3948 KB Output is correct
45 Correct 43 ms 4204 KB Output is correct
46 Correct 90 ms 4000 KB Output is correct
47 Correct 35 ms 3820 KB Output is correct
48 Correct 49 ms 3820 KB Output is correct
49 Correct 74 ms 3692 KB Output is correct
50 Correct 358 ms 4076 KB Output is correct
51 Correct 374 ms 4332 KB Output is correct
52 Correct 340 ms 4076 KB Output is correct
53 Correct 350 ms 4204 KB Output is correct
54 Correct 327 ms 3948 KB Output is correct
55 Correct 363 ms 4332 KB Output is correct
56 Correct 315 ms 3820 KB Output is correct

Subtask #6
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 1 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 1 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 1 ms 364 KB Output is correct
7 Correct 1 ms 364 KB Output is correct
8 Correct 1 ms 364 KB Output is correct
9 Correct 33 ms 2924 KB Output is correct
10 Correct 9 ms 1260 KB Output is correct
11 Correct 17 ms 2416 KB Output is correct
12 Correct 19 ms 2540 KB Output is correct
13 Correct 26 ms 2796 KB Output is correct
14 Correct 18 ms 2284 KB Output is correct
15 Correct 4 ms 748 KB Output is correct
16 Correct 16 ms 2156 KB Output is correct
17 Correct 53 ms 3948 KB Output is correct
18 Correct 22 ms 2700 KB Output is correct
19 Correct 1 ms 364 KB Output is correct
20 Correct 1 ms 364 KB Output is correct
21 Correct 1 ms 364 KB Output is correct
22 Correct 2 ms 364 KB Output is correct
23 Correct 1 ms 396 KB Output is correct
24 Correct 1 ms 364 KB Output is correct
25 Correct 1 ms 364 KB Output is correct
26 Correct 1 ms 364 KB Output is correct
27 Correct 1 ms 364 KB Output is correct
28 Correct 1 ms 364 KB Output is correct
29 Correct 1 ms 364 KB Output is correct
30 Correct 1 ms 364 KB Output is correct
31 Correct 1 ms 364 KB Output is correct
32 Correct 1 ms 364 KB Output is correct
33 Correct 1 ms 364 KB Output is correct
34 Correct 12 ms 1600 KB Output is correct
35 Correct 36 ms 3692 KB Output is correct
36 Correct 45 ms 4204 KB Output is correct
37 Correct 84 ms 3820 KB Output is correct
38 Correct 115 ms 4204 KB Output is correct
39 Correct 29 ms 3692 KB Output is correct
40 Correct 1 ms 364 KB Output is correct
41 Correct 22 ms 2412 KB Output is correct
42 Correct 37 ms 3948 KB Output is correct
43 Correct 5 ms 748 KB Output is correct
44 Correct 23 ms 2924 KB Output is correct
45 Correct 30 ms 3308 KB Output is correct
46 Correct 38 ms 4076 KB Output is correct
47 Correct 12 ms 1900 KB Output is correct
48 Correct 2 ms 492 KB Output is correct
49 Correct 83 ms 3692 KB Output is correct
50 Correct 43 ms 4076 KB Output is correct
51 Correct 56 ms 3692 KB Output is correct
52 Correct 44 ms 3948 KB Output is correct
53 Correct 43 ms 4204 KB Output is correct
54 Correct 90 ms 4000 KB Output is correct
55 Correct 35 ms 3820 KB Output is correct
56 Correct 49 ms 3820 KB Output is correct
57 Correct 74 ms 3692 KB Output is correct
58 Correct 358 ms 4076 KB Output is correct
59 Correct 374 ms 4332 KB Output is correct
60 Correct 340 ms 4076 KB Output is correct
61 Correct 350 ms 4204 KB Output is correct
62 Correct 327 ms 3948 KB Output is correct
63 Correct 363 ms 4332 KB Output is correct
64 Correct 315 ms 3820 KB Output is correct
65 Correct 1 ms 364 KB Output is correct
66 Incorrect 1 ms 364 KB Output isn't correct
67 Halted 0 ms 0 KB -