Submission #931321

#TimeUsernameProblemLanguageResultExecution timeMemory
931321De3b0oThe Kingdom of JOIOI (JOI17_joioi)C++14
0 / 100
61 ms456 KiB
#include<bits/stdc++.h> #define ll long long #define F first #define S second #define in insert #define er erase #define pb push_back #define ppb pop_back() #define ph push #define pp pop() #define d3 ios::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define cans cout << ans << "\n"; #define yes cout << "YES" << "\n"; #define no cout << "NO" << "\n"; #define pll pair<ll,ll> #define lin cout << "\n"; #define sqr 340 #define mod 1000000007 #define mid (l+r)/2 using namespace std; ll h , w; ll a[10][10]; ll b[10]; ll W(ll col , ll row , ll mn1 , ll mx1 , ll mn2 , ll mx2) { if(col==w-1) { //cout << col << " " << row << " " << mn1 << " " << mx1 << " " << mn2 << " " << mx2 << " " << max(mx1-mn1,mx2-mn2) << "\n"; return max(mx1-mn1,mx2-mn2); } multiset<ll> s1; multiset<ll> s2; for(int i = 0 ; h>i ; i++) s2.in(a[i][col+1]); auto it = s2.begin(); ll mn = *it; it = s2.end(); it--; ll mx = *it; ll ans = W(col+1,0,mn1,mx1,min(mn2,mn),max(mx2,mx)); b[col]=0; for(int i = 0 ; row>i ; i++) { s1.in(a[i][col+1]); s2.erase(s2.find(a[i][col+1])); it = s1.begin(); ll mnn1 = min(mn1,*it); it = s1.end(); it--; ll mxx1 = max(mx1,*it); ll mnn2 = mn2; ll mxx2 = mx2; if(!s2.empty()) { it = s2.begin(); mnn2=min(mnn2,*it); it = s2.end(); it--; mxx2=max(mxx2,*it); } ll ans1 = ans; ans=min(ans,W(col+1,i+1,mnn1,mxx1,mnn2,mxx2)); if(ans!=ans1) b[col]=i+1; } return ans; } int main() { d3 cin >> h >> w; for(int i = 0 ; h>i ; i++) for(int j = 0 ; w>j ; j++) cin >> a[i][j]; multiset<ll> s1; multiset<ll> s2; for(int i = 0 ; h>i ; i++) s2.in(a[i][0]); ll ans = 1e10; for(int i = 0 ; h>i ; i++) { s1.in(a[i][0]); s2.erase(s2.find(a[i][0])); auto it = s1.begin(); ll mnn1 = *it; it = s1.end(); it--; ll mxx1 = *it; ll mnn2 = 1e10; ll mxx2 = 0; if(!s2.empty()) { it = s2.begin(); mnn2=min(mnn2,*it); it = s2.end(); it--; mxx2=max(mxx2,*it); } //cout << i+1 << " " << mnn1 << " " << mxx1 << " " << mnn2 << " " << mxx2 << '\n'; ll ans1 = ans; ans=min(ans,W(0,i+1,mnn1,mxx1,mnn2,mxx2)); if(ans1!=ans) b[0]=i+1; } //for(int i = 0 ; w>i ; i++) //cout << b[i] << " "; for(int j = 0 ; w>j ; j++) { for(int i = 0 ; h/2>i ; i++) { ll x = a[i][j]; a[i][j]=a[h-i-1][j]; a[h-i][j]=x; } } s1.clear(); s2.clear(); for(int i = 0 ; h>i ; i++) s2.in(a[i][0]); for(int i = 0 ; h>i ; i++) { s1.in(a[i][0]); s2.erase(s2.find(a[i][0])); auto it = s1.begin(); ll mnn1 = *it; it = s1.end(); it--; ll mxx1 = *it; ll mnn2 = 1e10; ll mxx2 = 0; if(!s2.empty()) { it = s2.begin(); mnn2=min(mnn2,*it); it = s2.end(); it--; mxx2=max(mxx2,*it); } //cout << i+1 << " " << mnn1 << " " << mxx1 << " " << mnn2 << " " << mxx2 << '\n'; ll ans1 = ans; ans=min(ans,W(0,i+1,mnn1,mxx1,mnn2,mxx2)); if(ans1!=ans) b[0]=i+1; } cans }
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