Submission #98660

#	Time	Username	Problem	Language	Result	Execution time	Memory
98660		DrumpfTheGodEmperor	Topovi (COCI15_topovi)	C++14	120 / 120	1525 ms	40056 KiB

topovi

#include <bits/stdc++.h>
#define int long long
#define bp __builtin_popcountll
#define pb push_back
#define in(s) freopen(s, "r", stdin);
#define inout(s, end1, end2) freopen((string(s) + "." + end1).c_str(), "r", stdin),\
		freopen((string(s) + "." + end2).c_str(), "w", stdout);
#define fi first
#define se second
#define bw(i, r, l) for (int i = r - 1; i >= l; i--)
#define fw(i, l, r) for (int i = l; i < r; i++)
#define fa(i, x) for (auto i: x)
using namespace std;
const int mod = 1e9 + 7, inf = 1061109567;
const long long infll = 4557430888798830399;
const int N = 1e5 + 5;
typedef pair<int, int> ii;
int n, k, p, ans = 0;
map<int, int> valr, valc, cntr, cntc;
map<ii, int> lol;
void delr(int x) {
	ans -= cntr[x] * cntc[x];
	cntr[x]--;
	ans += cntr[x] * cntc[x];
}
void insr(int x) {
	ans -= cntr[x] * cntc[x];
	cntr[x]++;
	ans += cntr[x] * cntc[x];
}
void delc(int x) {
	ans -= cntr[x] * cntc[x];
	cntc[x]--;
	ans += cntr[x] * cntc[x];
}
void insc(int x) {
	ans -= cntr[x] * cntc[x];
	cntc[x]++;
	ans += cntr[x] * cntc[x];
}
signed main() {
	#ifdef BLU
	in("blu.inp");
	#endif
	ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
	cin >> n >> k >> p;
	cntr[0] = cntc[0] = n;
	ans = n * n;
	fw (i, 0, k) {
		int r, c, x;
		cin >> r >> c >> x;
		lol[ii(r, c)] = x;
		delr(valr[r]);
		valr[r] ^= x;
		insr(valr[r]);
		delc(valc[c]);
		valc[c] ^= x;
		insc(valc[c]);
	}
	while (p--) {
		int r1, c1, r2, c2;
		cin >> r1 >> c1 >> r2 >> c2;
		int x = lol[ii(r1, c1)];
		lol[ii(r1, c1)] = 0;
		lol[ii(r2, c2)] = x;
		delr(valr[r1]);
		delc(valc[c1]);
		valr[r1] ^= x;
		valc[c1] ^= x;
		insr(valr[r1]);
		insc(valc[c1]);
		delr(valr[r2]);
		delc(valc[c2]);
		valr[r2] ^= x;
		valc[c2] ^= x;
		insr(valr[r2]);
		insc(valc[c2]);
		cout << n * n - ans << "\n";
	}
	return 0;
}

• Subtask 1: 120 / 120