Submission #503855

# Submission time Handle Problem Language Result Execution time Memory
503855 2022-01-09T04:57:04 Z khangal Chessboard (IZhO18_chessboard) C++14
100 / 100
393 ms 41284 KB
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace __gnu_pbds;
using namespace std;
typedef long long ll;
typedef double db;
typedef vector<long long> vl;
typedef pair<long long, long long > pl;
const int N = 1e6 + 1;
#define po pop_back
#define pb push_back
#define mk make_pair
#define lw lower_bound
#define up upper_bound
#define ff first
#define ss second
#define boost ios_base::sync_with_stdio(); cin.tie(0); cout.tie(0);
#define MOD 1000000007
#define MAX 1e18 
#define MIN -1e18
#define per(i,a,b) for(ll i=b;i>=a;i--)
#define con continue
#define freopen freopen("input.txt", "r", stdin);freopen("output.txt", "w", stdout);
#define PI 3.14159265358979323846264338327950288419716939937510582097494459230781640628
//typedef tree<ll , null_type, less<ll>, rb_tree_tag, tree_order_statistics_node_update> indexed_set;
template< typename T>
using indexed_set = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>;
ll n, m, ans, mid, mn, mx, cnt, sum, h1, h2, arr[3234567],arr1[1234567], sz, k, i, j, h, a, w, x, y, z,par[1234567];
bool used[1234567];
ll dx[4]={-1,1,0,0},dy[4]={0,0,-1,1},c1[123][123];
vector<ll> edge[1234567];
ll jump[22][223456];
ll lvl[1234567];
//ll bit[1234567];
//ll timer;
//ll st[1234567],endd[1234567];
//ll dp[5005][5005];
ll power(ll base, ll val, ll mod) {
    ll res = 1;
    while (val) {
        if (val % 2 == 1) {
            res = res * base;
        }
        base = base * base;
        base %= mod;
        res %= mod;
        val /= 2;
    }
    return res;
}
bool comp(pl x,pl y){
    if(x.ff>y.ff)return true;
    return false;
}
ll find(ll x){
    if(x==par[x])return x;
    else return par[x]=find(par[x]);
}
void process_LCA(){
    for(int i=1;(1<<i)<=n;i++){
        for(int j=1;j<=n;j++){
            jump[i][j] = jump[i-1][jump[i-1][j]];
        }
    }
}
ll LCA(ll x,ll y){
    if(lvl[x] < lvl[y])swap(x,y);
    ll diss = lvl[x] - lvl[y];
    for(int i=21;i>=0;i--){
        if((1<<i)&diss){
            x = jump[i][x];
        }
    }
    if(x==y)return x;
    for(int i=21;i>=0;i--){
        if(jump[i][x] != jump[i][y]){
            x = jump[i][x];
            y = jump[i][y];
        }
    }
    return jump[0][x];
}
ll find(ll x, ll d){
    return x / (2 * d) * d + min(x % (2 * d), d);
}
class A {
public:
    static void funcA(){
        cin>>n>>k;
        vl vec;
        vec.pb(1);
        for(ll i = 2; i * i <= n; i++){
            if(n % i == 0){
                vec.pb(i);
                if(i * i != n) vec.pb(n / i);
            }
        }        
        ll dif[1234567];
        for(ll i = 0; i < vec.size(); i++)
            dif[i] = n * n - n * n / (vec[i] * vec[i]) / 2 * (vec[i] * vec[i]);
        while(k--){
            ll x1, x2, y1, y2;
            cin>>x1>>y1>>x2>>y2;
            x1--; 
            y1--;
            for(ll i = 0; i < vec.size(); i++){
                ll xx,x3,yy,y3;
                xx = find(x2, vec[i]) - find(x1, vec[i]);
                x3 = x2 - x1 - xx;
                yy = find(y2, vec[i]) - find(y1, vec[i]);
                y3 = y2 - y1 - yy;
                dif[i] += xx * y3 + yy * x3 - xx * yy - x3 * y3;
            }
        }
        ans=MAX;
        for(int i=0;i<vec.size();i++){
            ans=min(ans , min(dif[i],n*n-dif[i]));
        }
        cout<<ans;
    }
}lol;
void solve() {
    A::funcA();
}
int main() {
    ll T = 1;
    //cin>>T;
    boost;
    while (T--) {
        solve();
    }
}

Compilation message

chessboard.cpp: In static member function 'static void A::funcA()':
chessboard.cpp:100:25: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  100 |         for(ll i = 0; i < vec.size(); i++)
      |                       ~~^~~~~~~~~~~~
chessboard.cpp:107:29: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  107 |             for(ll i = 0; i < vec.size(); i++){
      |                           ~~^~~~~~~~~~~~
chessboard.cpp:117:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  117 |         for(int i=0;i<vec.size();i++){
      |                     ~^~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 19 ms 38860 KB Output is correct
2 Correct 19 ms 38960 KB Output is correct
3 Correct 19 ms 38972 KB Output is correct
4 Correct 23 ms 38936 KB Output is correct
5 Correct 19 ms 38960 KB Output is correct
6 Correct 23 ms 38856 KB Output is correct
7 Correct 19 ms 38860 KB Output is correct
8 Correct 19 ms 38952 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 78 ms 38860 KB Output is correct
2 Correct 36 ms 39316 KB Output is correct
3 Correct 54 ms 39856 KB Output is correct
4 Correct 53 ms 39808 KB Output is correct
5 Correct 71 ms 40240 KB Output is correct
6 Correct 60 ms 39804 KB Output is correct
7 Correct 26 ms 39076 KB Output is correct
8 Correct 51 ms 39768 KB Output is correct
9 Correct 97 ms 40988 KB Output is correct
10 Correct 64 ms 40008 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 23 ms 38932 KB Output is correct
2 Correct 23 ms 38860 KB Output is correct
3 Correct 23 ms 38888 KB Output is correct
4 Correct 25 ms 38860 KB Output is correct
5 Correct 20 ms 38948 KB Output is correct
6 Correct 21 ms 38972 KB Output is correct
7 Correct 19 ms 38944 KB Output is correct
8 Correct 19 ms 38964 KB Output is correct
9 Correct 19 ms 38860 KB Output is correct
10 Correct 19 ms 38860 KB Output is correct
11 Correct 20 ms 38860 KB Output is correct
12 Correct 18 ms 38860 KB Output is correct
13 Correct 19 ms 38944 KB Output is correct
14 Correct 19 ms 38912 KB Output is correct
15 Correct 20 ms 38972 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 23 ms 38932 KB Output is correct
2 Correct 23 ms 38860 KB Output is correct
3 Correct 23 ms 38888 KB Output is correct
4 Correct 25 ms 38860 KB Output is correct
5 Correct 20 ms 38948 KB Output is correct
6 Correct 21 ms 38972 KB Output is correct
7 Correct 19 ms 38944 KB Output is correct
8 Correct 19 ms 38964 KB Output is correct
9 Correct 19 ms 38860 KB Output is correct
10 Correct 19 ms 38860 KB Output is correct
11 Correct 20 ms 38860 KB Output is correct
12 Correct 18 ms 38860 KB Output is correct
13 Correct 19 ms 38944 KB Output is correct
14 Correct 19 ms 38912 KB Output is correct
15 Correct 20 ms 38972 KB Output is correct
16 Correct 41 ms 39388 KB Output is correct
17 Correct 75 ms 40264 KB Output is correct
18 Correct 104 ms 40464 KB Output is correct
19 Correct 126 ms 40356 KB Output is correct
20 Correct 139 ms 40596 KB Output is correct
21 Correct 72 ms 40232 KB Output is correct
22 Correct 19 ms 38856 KB Output is correct
23 Correct 56 ms 39568 KB Output is correct
24 Correct 83 ms 40336 KB Output is correct
25 Correct 26 ms 39084 KB Output is correct
26 Correct 61 ms 39832 KB Output is correct
27 Correct 71 ms 39956 KB Output is correct
28 Correct 87 ms 40408 KB Output is correct
29 Correct 42 ms 39484 KB Output is correct
30 Correct 20 ms 38988 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 78 ms 38860 KB Output is correct
2 Correct 36 ms 39316 KB Output is correct
3 Correct 54 ms 39856 KB Output is correct
4 Correct 53 ms 39808 KB Output is correct
5 Correct 71 ms 40240 KB Output is correct
6 Correct 60 ms 39804 KB Output is correct
7 Correct 26 ms 39076 KB Output is correct
8 Correct 51 ms 39768 KB Output is correct
9 Correct 97 ms 40988 KB Output is correct
10 Correct 64 ms 40008 KB Output is correct
11 Correct 23 ms 38932 KB Output is correct
12 Correct 23 ms 38860 KB Output is correct
13 Correct 23 ms 38888 KB Output is correct
14 Correct 25 ms 38860 KB Output is correct
15 Correct 20 ms 38948 KB Output is correct
16 Correct 21 ms 38972 KB Output is correct
17 Correct 19 ms 38944 KB Output is correct
18 Correct 19 ms 38964 KB Output is correct
19 Correct 19 ms 38860 KB Output is correct
20 Correct 19 ms 38860 KB Output is correct
21 Correct 20 ms 38860 KB Output is correct
22 Correct 18 ms 38860 KB Output is correct
23 Correct 19 ms 38944 KB Output is correct
24 Correct 19 ms 38912 KB Output is correct
25 Correct 20 ms 38972 KB Output is correct
26 Correct 41 ms 39388 KB Output is correct
27 Correct 75 ms 40264 KB Output is correct
28 Correct 104 ms 40464 KB Output is correct
29 Correct 126 ms 40356 KB Output is correct
30 Correct 139 ms 40596 KB Output is correct
31 Correct 72 ms 40232 KB Output is correct
32 Correct 19 ms 38856 KB Output is correct
33 Correct 56 ms 39568 KB Output is correct
34 Correct 83 ms 40336 KB Output is correct
35 Correct 26 ms 39084 KB Output is correct
36 Correct 61 ms 39832 KB Output is correct
37 Correct 71 ms 39956 KB Output is correct
38 Correct 87 ms 40408 KB Output is correct
39 Correct 42 ms 39484 KB Output is correct
40 Correct 20 ms 38988 KB Output is correct
41 Correct 133 ms 40848 KB Output is correct
42 Correct 110 ms 41092 KB Output is correct
43 Correct 113 ms 40944 KB Output is correct
44 Correct 105 ms 41096 KB Output is correct
45 Correct 107 ms 41236 KB Output is correct
46 Correct 146 ms 41156 KB Output is correct
47 Correct 105 ms 41004 KB Output is correct
48 Correct 108 ms 40980 KB Output is correct
49 Correct 101 ms 40860 KB Output is correct
50 Correct 348 ms 41028 KB Output is correct
51 Correct 373 ms 41156 KB Output is correct
52 Correct 347 ms 41000 KB Output is correct
53 Correct 368 ms 41240 KB Output is correct
54 Correct 351 ms 41028 KB Output is correct
55 Correct 379 ms 41236 KB Output is correct
56 Correct 328 ms 40980 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 19 ms 38860 KB Output is correct
2 Correct 19 ms 38960 KB Output is correct
3 Correct 19 ms 38972 KB Output is correct
4 Correct 23 ms 38936 KB Output is correct
5 Correct 19 ms 38960 KB Output is correct
6 Correct 23 ms 38856 KB Output is correct
7 Correct 19 ms 38860 KB Output is correct
8 Correct 19 ms 38952 KB Output is correct
9 Correct 78 ms 38860 KB Output is correct
10 Correct 36 ms 39316 KB Output is correct
11 Correct 54 ms 39856 KB Output is correct
12 Correct 53 ms 39808 KB Output is correct
13 Correct 71 ms 40240 KB Output is correct
14 Correct 60 ms 39804 KB Output is correct
15 Correct 26 ms 39076 KB Output is correct
16 Correct 51 ms 39768 KB Output is correct
17 Correct 97 ms 40988 KB Output is correct
18 Correct 64 ms 40008 KB Output is correct
19 Correct 23 ms 38932 KB Output is correct
20 Correct 23 ms 38860 KB Output is correct
21 Correct 23 ms 38888 KB Output is correct
22 Correct 25 ms 38860 KB Output is correct
23 Correct 20 ms 38948 KB Output is correct
24 Correct 21 ms 38972 KB Output is correct
25 Correct 19 ms 38944 KB Output is correct
26 Correct 19 ms 38964 KB Output is correct
27 Correct 19 ms 38860 KB Output is correct
28 Correct 19 ms 38860 KB Output is correct
29 Correct 20 ms 38860 KB Output is correct
30 Correct 18 ms 38860 KB Output is correct
31 Correct 19 ms 38944 KB Output is correct
32 Correct 19 ms 38912 KB Output is correct
33 Correct 20 ms 38972 KB Output is correct
34 Correct 41 ms 39388 KB Output is correct
35 Correct 75 ms 40264 KB Output is correct
36 Correct 104 ms 40464 KB Output is correct
37 Correct 126 ms 40356 KB Output is correct
38 Correct 139 ms 40596 KB Output is correct
39 Correct 72 ms 40232 KB Output is correct
40 Correct 19 ms 38856 KB Output is correct
41 Correct 56 ms 39568 KB Output is correct
42 Correct 83 ms 40336 KB Output is correct
43 Correct 26 ms 39084 KB Output is correct
44 Correct 61 ms 39832 KB Output is correct
45 Correct 71 ms 39956 KB Output is correct
46 Correct 87 ms 40408 KB Output is correct
47 Correct 42 ms 39484 KB Output is correct
48 Correct 20 ms 38988 KB Output is correct
49 Correct 133 ms 40848 KB Output is correct
50 Correct 110 ms 41092 KB Output is correct
51 Correct 113 ms 40944 KB Output is correct
52 Correct 105 ms 41096 KB Output is correct
53 Correct 107 ms 41236 KB Output is correct
54 Correct 146 ms 41156 KB Output is correct
55 Correct 105 ms 41004 KB Output is correct
56 Correct 108 ms 40980 KB Output is correct
57 Correct 101 ms 40860 KB Output is correct
58 Correct 348 ms 41028 KB Output is correct
59 Correct 373 ms 41156 KB Output is correct
60 Correct 347 ms 41000 KB Output is correct
61 Correct 368 ms 41240 KB Output is correct
62 Correct 351 ms 41028 KB Output is correct
63 Correct 379 ms 41236 KB Output is correct
64 Correct 328 ms 40980 KB Output is correct
65 Correct 17 ms 38948 KB Output is correct
66 Correct 19 ms 38956 KB Output is correct
67 Correct 363 ms 41108 KB Output is correct
68 Correct 358 ms 41112 KB Output is correct
69 Correct 326 ms 40856 KB Output is correct
70 Correct 355 ms 41028 KB Output is correct
71 Correct 347 ms 41008 KB Output is correct
72 Correct 352 ms 41008 KB Output is correct
73 Correct 336 ms 40972 KB Output is correct
74 Correct 360 ms 41108 KB Output is correct
75 Correct 346 ms 41072 KB Output is correct
76 Correct 378 ms 41204 KB Output is correct
77 Correct 139 ms 41228 KB Output is correct
78 Correct 106 ms 40992 KB Output is correct
79 Correct 145 ms 40848 KB Output is correct
80 Correct 122 ms 41228 KB Output is correct
81 Correct 121 ms 40860 KB Output is correct
82 Correct 122 ms 41104 KB Output is correct
83 Correct 105 ms 41012 KB Output is correct
84 Correct 257 ms 41284 KB Output is correct
85 Correct 376 ms 41232 KB Output is correct
86 Correct 18 ms 38952 KB Output is correct
87 Correct 19 ms 38952 KB Output is correct
88 Correct 393 ms 41236 KB Output is correct
89 Correct 89 ms 39364 KB Output is correct
90 Correct 17 ms 38860 KB Output is correct