Submission #78783

# Submission time Handle Problem Language Result Execution time Memory
78783 2018-10-08T18:02:31 Z ekrem Topovi (COCI15_topovi) C++
60 / 120
2000 ms 22200 KB
#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define N 1000005
using namespace std;

typedef long long ll;
typedef pair < int , int > ii;

int n, k, p;
ll ans;
map < int , int > r, c, sr, sc;
map < ii , int > ne;
map < int , int > :: iterator it;

void ekle(int x, int y, int z){
	ne[mp(x, y)] = z;
	sr[r[x]]--;
	r[x] = r[x]^z;
	sr[r[x]]++;
	sc[c[y]]--;
	c[y] = c[y]^z;
	sc[c[y]]++;
	ans = 0;
	for(it = sc.begin(); it != sc.end(); it++){
		ans += 1ll * it->nd * n;
		ans -= 1ll * it->nd * sr[it->st];
	}
}

int main() {
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	scanf("%d %d %d",&n ,&k, &p);
	sr[0] = n;
	sc[0] = n;
	for(int i = 1; i <= k; i++){
		int x, y, z;
		scanf("%d %d %d",&x ,&y ,&z);
		ekle(x, y, z);
	}
	for(it = sc.begin(); it != sc.end(); it++){
		ans += 1ll * it->nd * n;
		ans -= 1ll * it->nd * sr[it->st];
	}
	for(int i = 1; i <= p; i++){
		int x, y, z, k;
		scanf("%d %d %d %d",&x ,&y ,&z ,&k);
		int xx = ne[mp(x, y)];
		ekle(x, y, xx);
		ekle(z, k, xx);
		printf("%lld\n", ans);
	}
	return 0;
}

Compilation message

topovi.cpp: In function 'int main()':
topovi.cpp:36:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d %d",&n ,&k, &p);
  ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
topovi.cpp:41:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d",&x ,&y ,&z);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
topovi.cpp:50:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d %d",&x ,&y ,&z ,&k);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 504 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 2 ms 612 KB Output is correct
4 Correct 2 ms 632 KB Output is correct
5 Correct 3 ms 776 KB Output is correct
6 Correct 487 ms 6460 KB Output is correct
7 Correct 855 ms 6488 KB Output is correct
8 Correct 455 ms 6488 KB Output is correct
9 Correct 457 ms 6884 KB Output is correct
10 Correct 369 ms 7712 KB Output is correct
11 Execution timed out 2060 ms 12244 KB Time limit exceeded
12 Execution timed out 2069 ms 13236 KB Time limit exceeded
13 Execution timed out 2051 ms 14244 KB Time limit exceeded
14 Execution timed out 2057 ms 15640 KB Time limit exceeded
15 Execution timed out 2060 ms 16408 KB Time limit exceeded
16 Execution timed out 2048 ms 17656 KB Time limit exceeded
17 Execution timed out 2051 ms 18920 KB Time limit exceeded
18 Execution timed out 2060 ms 20188 KB Time limit exceeded
19 Execution timed out 2057 ms 21192 KB Time limit exceeded
20 Execution timed out 2063 ms 22200 KB Time limit exceeded