oj.uz

Submission #250453

# Submission time Handle Problem Language Result Execution time Memory
250453 2020-07-18T01:02:54 Z fivefourthreeone The Kingdom of JOIOI (JOI17_joioi) C++17
60 / 100
 4000 ms 169776 KB 
#include <bits/stdc++.h>
#define owo(i,a, b) for(int i=(a); i<(b); ++i)
#define uwu(i,a, b) for(int i=(a)-1; i>=(b); --i)
#define senpai push_back
#define ttgl pair<int, int>
#define ayaya cout<<"ayaya~"<<endl
 
using namespace std;
using ll = long long;
using ld = long double;
const ll MOD = 998244353;
int gcd(int a,int b){return b?gcd(b,a%b):a;}
ll binpow(ll a,ll b){ll res=1;while(b){if(b&1)res=(res*a)%MOD;a=(a*a)%MOD;b>>=1;}return res;}
ll modInv(ll a){return binpow(a, MOD-2);}
const double PI = acos(-1);
const int INF = 0x3f3f3f3f;
const int NINF = 0xc0c0c0c0;
const ll INFLL = 0x3f3f3f3f3f3f3f3f;
const ll NINFLL = 0xc0c0c0c0c0c0c0c0;
const int mxN = 2001;
int comp[mxN*mxN];
int board[mxN][mxN];
int cnt[mxN*mxN];
int save[mxN*mxN];
map<int, int>mp;
set<int> aaa;
int w, h;
int mx = 0;
int mn = INF;
int idx = 0;
bool check(int val) {
    memset(cnt, 0, sizeof(cnt));
    int prev = INF;
    owo(i, 0, h) {
        int curr = -1;
        owo(j, 0, w) {
            //cout<<i<<" "<<j<<" "<<comp[board[i][j]]<<"\n";
            if(mx-comp[board[i][j]]<=val&&j<=prev) {
                cnt[board[i][j]]++;
                curr = j;
                continue;
            }
            break;
        }
        prev = curr;
    }
    uwu(i, idx, 0) {
        if(cnt[i]==save[i]) {
            if(i==0) return true;
            continue;
        }
        if(comp[i]-mn<=val)return true;
        break;
    }
    memset(cnt, 0, sizeof(cnt));
    prev = -1;
    owo(i, 0, w) {
        int curr = INF;
        uwu(j, h, 0) {
            if(mx-comp[board[j][i]]<=val&&j>=prev) {
                cnt[board[j][i]]++;
                curr = j;
                continue;
            }
            break;
        }
        prev = curr;
    }
    uwu(i, idx, 0) {
        if(cnt[i]==save[i]) {
            if(i==0) return true;
            continue;
        }
        if(comp[i]-mn<=val)return true;
        break;
    }
    memset(cnt, 0, sizeof(cnt));
    prev = -1;
    uwu(i, h, 0) {
        int curr = INF;
        uwu(j, w, 0) {
            if(mx-comp[board[i][j]]<=val&&j>=prev) {
                cnt[board[i][j]]++;
                curr = j;
                continue;
            }
            break;
        }
        prev = curr;
    }
    uwu(i, idx, 0) {
        if(cnt[i]==save[i]) {
            if(i==0) return true;
            continue;
        }
        if(comp[i]-mn<=val)return true;
        break;
    }
    memset(cnt, 0, sizeof(cnt));
    prev = INF;
    uwu(i, w, 0) {
        int curr = -1;
        owo(j, 0, h) {
            if(mx-comp[board[j][i]]<=val&&j<=prev) {
                cnt[board[j][i]]++;
                curr = j;
                continue;
            }
            break;
        }
        prev = curr;
    }
    uwu(i, idx, 0) {
        if(cnt[i]==save[i]) {
            if(i==0) return true;
            continue;
        }
        if(comp[i]-mn<=val)return true;
        break;
    }
    return false;
}
int main()
{    
    //freopen("exercise.in", "r", stdin);
    //freopen("exercise.out", "w", stdout);
    mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
    cin.tie(0)->sync_with_stdio(0);
    cin>>h>>w;
    owo(i, 0, h) {
        owo(j, 0, w) {
            cin>>board[i][j];
            aaa.insert(board[i][j]);
            mx = max(mx, board[i][j]);
            mn = min(mn, board[i][j]);
        }
    }
    auto it = aaa.begin();
    while(it!=aaa.end()) {
        mp[*it] = idx;
        comp[idx] = *it;
        idx++;
        it++;
    }
    owo(i, 0, h) {
        owo(j, 0, w) {
            board[i][j] = mp[board[i][j]];
            save[board[i][j]]++;
        }
    }
    int l = 0;
    int r = mx-mn;
    while(l<r) {
        int mid = (l+r)/2;
        if(check(mid)) {
            r = mid;
        }else{
            l = mid+1;
        }
    }
    cout<<l<<"\n";
    return 0;
}

Subtask #1
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 16000 KB Output is correct
2 Correct 23 ms 16000 KB Output is correct
3 Correct 200 ms 16120 KB Output is correct
4 Correct 216 ms 16120 KB Output is correct
5 Correct 164 ms 16128 KB Output is correct
6 Correct 266 ms 16120 KB Output is correct
7 Correct 180 ms 16120 KB Output is correct
8 Correct 248 ms 16008 KB Output is correct
9 Correct 257 ms 16124 KB Output is correct
10 Correct 263 ms 16120 KB Output is correct
11 Correct 187 ms 16120 KB Output is correct
12 Correct 185 ms 16120 KB Output is correct
13 Correct 190 ms 16248 KB Output is correct
14 Correct 146 ms 16120 KB Output is correct

Subtask #2
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 16000 KB Output is correct
2 Correct 23 ms 16000 KB Output is correct
3 Correct 200 ms 16120 KB Output is correct
4 Correct 216 ms 16120 KB Output is correct
5 Correct 164 ms 16128 KB Output is correct
6 Correct 266 ms 16120 KB Output is correct
7 Correct 180 ms 16120 KB Output is correct
8 Correct 248 ms 16008 KB Output is correct
9 Correct 257 ms 16124 KB Output is correct
10 Correct 263 ms 16120 KB Output is correct
11 Correct 187 ms 16120 KB Output is correct
12 Correct 185 ms 16120 KB Output is correct
13 Correct 190 ms 16248 KB Output is correct
14 Correct 146 ms 16120 KB Output is correct
15 Correct 32 ms 16128 KB Output is correct
16 Correct 31 ms 17168 KB Output is correct
17 Correct 196 ms 21368 KB Output is correct
18 Correct 206 ms 21240 KB Output is correct
19 Correct 158 ms 21368 KB Output is correct
20 Correct 158 ms 20728 KB Output is correct
21 Correct 242 ms 21496 KB Output is correct
22 Correct 192 ms 21368 KB Output is correct
23 Correct 193 ms 21496 KB Output is correct
24 Correct 229 ms 20984 KB Output is correct
25 Correct 194 ms 21504 KB Output is correct
26 Correct 258 ms 21624 KB Output is correct
27 Correct 294 ms 21496 KB Output is correct
28 Correct 226 ms 21500 KB Output is correct

Subtask #3
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 33 ms 16000 KB Output is correct
2 Correct 23 ms 16000 KB Output is correct
3 Correct 200 ms 16120 KB Output is correct
4 Correct 216 ms 16120 KB Output is correct
5 Correct 164 ms 16128 KB Output is correct
6 Correct 266 ms 16120 KB Output is correct
7 Correct 180 ms 16120 KB Output is correct
8 Correct 248 ms 16008 KB Output is correct
9 Correct 257 ms 16124 KB Output is correct
10 Correct 263 ms 16120 KB Output is correct
11 Correct 187 ms 16120 KB Output is correct
12 Correct 185 ms 16120 KB Output is correct
13 Correct 190 ms 16248 KB Output is correct
14 Correct 146 ms 16120 KB Output is correct
15 Correct 32 ms 16128 KB Output is correct
16 Correct 31 ms 17168 KB Output is correct
17 Correct 196 ms 21368 KB Output is correct
18 Correct 206 ms 21240 KB Output is correct
19 Correct 158 ms 21368 KB Output is correct
20 Correct 158 ms 20728 KB Output is correct
21 Correct 242 ms 21496 KB Output is correct
22 Correct 192 ms 21368 KB Output is correct
23 Correct 193 ms 21496 KB Output is correct
24 Correct 229 ms 20984 KB Output is correct
25 Correct 194 ms 21504 KB Output is correct
26 Correct 258 ms 21624 KB Output is correct
27 Correct 294 ms 21496 KB Output is correct
28 Correct 226 ms 21500 KB Output is correct
29 Correct 2659 ms 63428 KB Output is correct
30 Correct 2566 ms 63768 KB Output is correct
31 Correct 3266 ms 65212 KB Output is correct
32 Correct 2811 ms 65400 KB Output is correct
33 Correct 2211 ms 58756 KB Output is correct
34 Correct 2915 ms 65184 KB Output is correct
35 Execution timed out 4014 ms 169776 KB Time limit exceeded
36 Halted 0 ms 0 KB -