oj.uz

Submission #227351

# Submission time Handle Problem Language Result Execution time Memory
227351 2020-04-27T06:11:13 Z cgiosy None (KOI17_shell) C++17
0 / 100
 140 ms 9308 KB 
#include <bits/stdc++.h>
using namespace std;

alignas(64) int A[1520][1520]{};
int main() {
	ios::sync_with_stdio(0);cin.tie(0);
	int N; long long s=0;
	cin>>N;
	for(int i=1; i<=N; i++) for(int j=1; j<=N; j++) {
		cin>>A[i][j];
		s+=A[i][j]+=max(A[i-1][j], A[i][j-1]);
	}
	cout<<s<<'\n';
	for(int q=0; q<N; q++) {
		char t;
		int i, l, d=0;
		cin>>t>>i>>l;
		int r=l+1, x=t=='U' ? 1 : -1;
		A[i][l]+=x;
		while(r<=N && A[i-1][r]<A[i][r-1]) A[i][r++]+=x;
		d+=r-l;
		for(i++; i<=N; i++) {
			while(l<r && A[i-1][l]<=A[i][l-1]) l++;
			if(l==r) break;
			while(r<=N && A[i-1][r]<A[i][r-1]+1) r++;
			for(int j=l; j<r; j++) A[i][j]+=x;
			d+=r-l;
		}
		cout<<(s+=x*d)<<'\n';
	}
}

Subtask #1
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 768 KB Output is correct
2 Incorrect 6 ms 768 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #2
0 / 34.0

# Verdict Execution time Memory Grader output
1 Incorrect 140 ms 9308 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 54.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 768 KB Output is correct
2 Incorrect 6 ms 768 KB Output isn't correct
3 Halted 0 ms 0 KB -