oj.uz

답안 #382589

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
382589 2021-03-27T20:29:48 Z BlancaHM Topovi (COCI15_topovi) C++14
120 / 120
 1085 ms 36928 KB 
#include <iostream>
#include <vector>
#include <map>
using namespace std;
typedef long long int ll;

int N, K, P;
long long int attacked;
map<pair<int, int>, int> rooks;
map<int, int> valRows, valCols, rowXOR, colXOR;

void init() {
	attacked = 0;
	valRows[0] = N;
	valCols[0] = N;
}

void include(int r, int c, int p) {
	attacked -= (ll) (N - valRows[colXOR[c]]);
	attacked -= (ll) (N - valCols[rowXOR[r]]);
	valRows[rowXOR[r]]--;
	valCols[colXOR[c]]--;
	rooks[{r, c}] = p;
	rowXOR[r] ^= p;
	colXOR[c] ^= p;
	valRows[rowXOR[r]]++;
	valCols[colXOR[c]]++;
	attacked += (ll) (N - valRows[colXOR[c]]);
	attacked += (ll) (N - valCols[rowXOR[r]]);
}

int main() {
	ios::sync_with_stdio(false);
	cin.tie(NULL);
	int r, c, p, r2, c2;
	cin >> N >> K >> P;
	init();
	for (int i = 0; i < K; i++) {
		cin >> r >> c >> p;
		include(r-1, c-1, p);
		//cout << attacked << '\n';
	}
	for (int i = 0; i < P; i++) {
		cin >> r >> c >> r2 >> c2;
		p = rooks[{r-1, c-1}];
		include(r-1, c-1, p);
		include(r2-1, c2-1, p);
		cout << attacked << '\n';
	}
	return 0;
}

Subtask #1
120.0 / 120.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 364 KB Output is correct
2 Correct 2 ms 364 KB Output is correct
3 Correct 1 ms 364 KB Output is correct
4 Correct 2 ms 364 KB Output is correct
5 Correct 1 ms 364 KB Output is correct
6 Correct 112 ms 5740 KB Output is correct
7 Correct 94 ms 5228 KB Output is correct
8 Correct 70 ms 4332 KB Output is correct
9 Correct 75 ms 4460 KB Output is correct
10 Correct 82 ms 4588 KB Output is correct
11 Correct 1071 ms 36928 KB Output is correct
12 Correct 1065 ms 36588 KB Output is correct
13 Correct 1075 ms 36588 KB Output is correct
14 Correct 1085 ms 36792 KB Output is correct
15 Correct 1082 ms 36552 KB Output is correct
16 Correct 1075 ms 36612 KB Output is correct
17 Correct 1080 ms 36588 KB Output is correct
18 Correct 1064 ms 36588 KB Output is correct
19 Correct 1060 ms 36780 KB Output is correct
20 Correct 1059 ms 36784 KB Output is correct