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Submission #872348

# Submission time Handle Problem Language Result Execution time Memory
872348 2023-11-12T23:17:14 Z Ahmed_Solyman Zemljište (COCI22_zemljiste) C++14
70 / 70
 1656 ms 6996 KB 
/*
In the name of Allah
made by: Ahmed_Solyman
*/
#include <bits/stdc++.h>
#include <ext/rope>
 
using namespace std;
using namespace __gnu_cxx;
#pragma GCC optimize("-Ofast")
#pragma GCC optimize("-O1")
//-------------------------------------------------------------//
typedef long long ll;
typedef unsigned long long ull;
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define PI acos(-1)
#define lb lower_bound
#define ub upper_bound
#define endl '\n'
#define all(v) v.begin(),v.end()
#define allr(v) v.rbegin(),v.rend()
#define sum_to(n) (n*(n+1))/2
#define pb push_back
#define pf push_front
#define fil(arr,x) memset(arr,x,sizeof(arr))
const ll mod=1e9+7;
int dx[8]={0,1,0,-1,1,1,-1,-1};
int dy[8]={1,0,-1,0,1,-1,-1,1};
//-------------------------------------------------------------//
ll lcm(ll a,ll b)
{
    return (max(a,b)/__gcd(a,b))*min(a,b);
}
void person_bool(bool x)
{
    cout<<(x?"YES":"NO")<<endl;
}
ll dp[505][505];
ll sum(int i,int j,int a,int b){
    return dp[a][b]-dp[a][j-1]-dp[i-1][b]+dp[i-1][j-1];
}
int main()
{
    //freopen("input.txt","r",stdin);
    //freopen("output.txt","w",stdout);
    #ifndef ONLINE_JUDGE
    //freopen("input.in", "r", stdin);
    //freopen("output.out", "w", stdout);
    #endif
    fast
    int n,m;
    ll a,b;
    cin>>n>>m>>a>>b;
    if(a>b)swap(a,b);
    vector<vector<ll>>arr(n+1,vector<ll>(m+1));
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            cin>>arr[i][j];
        }
    }
    for(int i=1;i<=n;i++){
        for(int j=1;j<=m;j++){
            dp[i][j]=dp[i-1][j]+dp[i][j-1]-dp[i-1][j-1]+arr[i][j];
        }
    }
    ll ans=4e18;
    for(int x=1;x<=m;x++){
        for(int y=x;y<=m;y++){
            for(int i=1;i<=n;i++){
                int l=i,r=n;
                ll s1=0,s2=0;
                while(l<=r){
                    int mid=l+r>>1;
                    if(sum(i,x,mid,y)>=a){
                        s1=sum(i,x,mid,y);
                        r=mid-1;
                    }
                    else{
                        l=mid+1;
                    }
                }
                if(r>=i)s2=sum(i,x,r,y);
                ans=min(ans,abs(s1-a)+abs(s1-b));
                ans=min(ans,abs(s2-a)+abs(s2-b));
            }
        }
    }
    cout<<ans<<endl;
    return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:73:30: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   73 |                     int mid=l+r>>1;
      |                             ~^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 4 ms 604 KB Output is correct
11 Correct 10 ms 940 KB Output is correct
12 Correct 10 ms 940 KB Output is correct
13 Correct 10 ms 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 10 ms 860 KB Output is correct
16 Correct 10 ms 856 KB Output is correct
17 Correct 10 ms 944 KB Output is correct
18 Correct 11 ms 860 KB Output is correct
19 Correct 11 ms 944 KB Output is correct
20 Correct 11 ms 860 KB Output is correct
21 Correct 11 ms 940 KB Output is correct
22 Correct 13 ms 1116 KB Output is correct

Subtask #3
40.0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 1 ms 348 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 4 ms 604 KB Output is correct
11 Correct 10 ms 940 KB Output is correct
12 Correct 10 ms 940 KB Output is correct
13 Correct 10 ms 860 KB Output is correct
14 Correct 1 ms 348 KB Output is correct
15 Correct 10 ms 860 KB Output is correct
16 Correct 10 ms 856 KB Output is correct
17 Correct 10 ms 944 KB Output is correct
18 Correct 11 ms 860 KB Output is correct
19 Correct 11 ms 944 KB Output is correct
20 Correct 11 ms 860 KB Output is correct
21 Correct 11 ms 940 KB Output is correct
22 Correct 13 ms 1116 KB Output is correct
23 Correct 1541 ms 4432 KB Output is correct
24 Correct 1547 ms 6992 KB Output is correct
25 Correct 1587 ms 6820 KB Output is correct
26 Correct 1532 ms 6820 KB Output is correct
27 Correct 691 ms 5332 KB Output is correct
28 Correct 1601 ms 6824 KB Output is correct
29 Correct 1605 ms 6820 KB Output is correct
30 Correct 1532 ms 6928 KB Output is correct
31 Correct 41 ms 2648 KB Output is correct
32 Correct 1565 ms 6824 KB Output is correct
33 Correct 1521 ms 6824 KB Output is correct
34 Correct 1572 ms 6824 KB Output is correct
35 Correct 1497 ms 6880 KB Output is correct
36 Correct 1538 ms 6828 KB Output is correct
37 Correct 1543 ms 6996 KB Output is correct
38 Correct 1551 ms 6992 KB Output is correct
39 Correct 1579 ms 6820 KB Output is correct
40 Correct 1542 ms 6824 KB Output is correct
41 Correct 1656 ms 5456 KB Output is correct
42 Correct 1651 ms 5624 KB Output is correct
43 Correct 1651 ms 5716 KB Output is correct
44 Correct 1652 ms 5560 KB Output is correct