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답안 #131681

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
131681 2019-07-17T12:43:45 Z ekrem Examination (JOI19_examination) C++
43 / 100
 3000 ms 290636 KB 
#include <bits/stdc++.h>
#define st first
#define nd second
#define mp make_pair
#define pb push_back
#define orta ((bas+son)/2)
#define mod 1000000007
#define inf 1000000009
#define LOGN 30
#define N 100005
#define M N * LOGN * LOGN
using namespace std;

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

int n, m, k, q, say1 = 1, say2, seg1[N * LOGN], sol1[N * LOGN], sag1[N * LOGN], seg2[M], sol2[M], sag2[M],  bs[M], sn[M], ans[N];
pair < int , ii > a[N];
pair < ii , ii > b[N];

int ver(int k){return seg1[k] = (!seg1[k])?++say2:seg1[k];}
int solver1(int k){return sol1[k] = (!sol1[k])?++say1:sol1[k];}
int sagver1(int k){return sag1[k] = (!sag1[k])?++say1:sag1[k];}
int solver2(int k){return sol2[k] = (!sol2[k])?++say2:sol2[k];}
int sagver2(int k){return sag2[k] = (!sag2[k])?++say2:sag2[k];}

void up2(int k, int bas, int son, int x){
	if(bas == son){
		seg2[k]++;
		return;
	}
	if(x <= orta)
		up2(solver2(k), bas, orta, x);
	else
		up2(sagver2(k), orta + 1, son, x);
	seg2[k] = seg2[sol2[k]] + seg2[sag2[k]];
}

void up1(int k, int bas, int son, int x, int y){
	if(bas == son){
		up2(ver(k), 1, m, y);
		// cout << bas << " " << son << " " << ver(k) << " a " << y << " artti" << endl;
		return;
	}
	if(x <= orta)
		up1(solver1(k), bas, orta, x, y);
	else
		up1(sagver1(k), orta + 1, son, x, y);
	// cout << bas << " " << son << " " << ver(k) << " a " << y << " artti" << endl;
	up2(ver(k), 1, m, y);
}

int qu2(int k, int bas, int son, int x){
	if(!k or son < x)
		return 0;
	if(bas >= x)
		return seg2[k];
	return qu2(sol2[k], bas, orta, x) + qu2(sag2[k], orta + 1, son, x);
}

int qu1(int k, int bas, int son, int x, int y){
	if(!k or son < x)
		return 0;
	if(bas >= x){
		// cout << bas << " " << son << " " << seg1[k] << " " << y << " = " << qu2(seg1[k], 1, m, y) << endl;
		return qu2(seg1[k], 1, m, y);
	}
	return qu1(sol1[k], bas, orta, x, y) + qu1(sag1[k], orta + 1, son, x, y);
}

map < int , int > h, hh, x, xx;
map < int , int > :: iterator it;

int main(){
	// freopen("in.txt", "r", stdin);
	// freopen("out.txt", "w", stdout);
	scanf("%d %d",&k ,&q);
	for(int i = 1; i <= k; i++){
		scanf("%d %d",&a[i].nd.st ,&a[i].nd.nd);
		a[i].st = a[i].nd.st + a[i].nd.nd;
		h[a[i].nd.st] = 1;
		hh[a[i].nd.nd] = 1;
	}
	sort(a + 1, a + k + 1);
	for(int i = 1; i <= q; i++){
		scanf("%d %d %d" ,&b[i].nd.st ,&b[i].nd.nd,&b[i].st.st);
		h[b[i].nd.st] = 1;
		hh[b[i].nd.nd] = 1;
		b[i].st.nd = i;
	}
	for(it = h.begin(); it != h.end(); it++)
		x[it->st] = ++n;

	for(it = hh.begin(); it != hh.end(); it++)
		xx[it->st] = ++m;
	// cout << n << " " << m << endl;
	sort(b + 1, b + q + 1);
	reverse(b + 1, b + q + 1);
	for(int i = 1; i <= q; i++){
		while(k >= 1 and a[k].st >= b[i].st.st){
			// cout << ne[a[k].nd.st] << " " << nee[a[k].nd.nd] << " geldi" << endl << endl;
			up1(1, 1, n, x[a[k].nd.st], xx[a[k].nd.nd]);
			k--;
		}
		// cout << b[i].st.nd << " icin bul " << n << " " << m << endl;
		ans[b[i].st.nd] = qu1(1, 1, n, x[b[i].nd.st], xx[b[i].nd.nd] );
	}
	for(int i = 1; i <= q; i++)
		printf("%d\n", ans[i]);
	return 0;
}

Compilation message

examination.cpp: In function 'int main()':
examination.cpp:77:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&k ,&q);
  ~~~~~^~~~~~~~~~~~~~~~
examination.cpp:79:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d",&a[i].nd.st ,&a[i].nd.nd);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:86:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d" ,&b[i].nd.st ,&b[i].nd.nd,&b[i].st.st);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
2.0 / 2.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 28 ms 5752 KB Output is correct
8 Correct 28 ms 5752 KB Output is correct
9 Correct 27 ms 5752 KB Output is correct
10 Correct 12 ms 1784 KB Output is correct
11 Correct 12 ms 1784 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 28 ms 5752 KB Output is correct
14 Correct 28 ms 5752 KB Output is correct
15 Correct 30 ms 5752 KB Output is correct
16 Correct 9 ms 1272 KB Output is correct
17 Correct 10 ms 1272 KB Output is correct
18 Correct 4 ms 504 KB Output is correct

Subtask #2
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2390 ms 210664 KB Output is correct
2 Correct 2550 ms 210624 KB Output is correct
3 Correct 2443 ms 210580 KB Output is correct
4 Correct 477 ms 29380 KB Output is correct
5 Correct 463 ms 27664 KB Output is correct
6 Correct 97 ms 4088 KB Output is correct
7 Correct 2162 ms 200080 KB Output is correct
8 Correct 2267 ms 200568 KB Output is correct
9 Correct 1892 ms 190328 KB Output is correct
10 Correct 306 ms 15480 KB Output is correct
11 Correct 356 ms 16032 KB Output is correct
12 Correct 72 ms 3704 KB Output is correct

Subtask #3
21.0 / 21.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2390 ms 210664 KB Output is correct
2 Correct 2550 ms 210624 KB Output is correct
3 Correct 2443 ms 210580 KB Output is correct
4 Correct 477 ms 29380 KB Output is correct
5 Correct 463 ms 27664 KB Output is correct
6 Correct 97 ms 4088 KB Output is correct
7 Correct 2162 ms 200080 KB Output is correct
8 Correct 2267 ms 200568 KB Output is correct
9 Correct 1892 ms 190328 KB Output is correct
10 Correct 306 ms 15480 KB Output is correct
11 Correct 356 ms 16032 KB Output is correct
12 Correct 72 ms 3704 KB Output is correct
13 Correct 2144 ms 210680 KB Output is correct
14 Correct 2438 ms 210704 KB Output is correct
15 Correct 2504 ms 210556 KB Output is correct
16 Correct 456 ms 29476 KB Output is correct
17 Correct 446 ms 27748 KB Output is correct
18 Correct 109 ms 4088 KB Output is correct
19 Correct 2191 ms 210824 KB Output is correct
20 Correct 2250 ms 210736 KB Output is correct
21 Correct 1919 ms 203276 KB Output is correct
22 Correct 363 ms 15532 KB Output is correct
23 Correct 345 ms 16284 KB Output is correct
24 Correct 74 ms 3704 KB Output is correct

Subtask #4
0 / 57.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 28 ms 5752 KB Output is correct
8 Correct 28 ms 5752 KB Output is correct
9 Correct 27 ms 5752 KB Output is correct
10 Correct 12 ms 1784 KB Output is correct
11 Correct 12 ms 1784 KB Output is correct
12 Correct 5 ms 504 KB Output is correct
13 Correct 28 ms 5752 KB Output is correct
14 Correct 28 ms 5752 KB Output is correct
15 Correct 30 ms 5752 KB Output is correct
16 Correct 9 ms 1272 KB Output is correct
17 Correct 10 ms 1272 KB Output is correct
18 Correct 4 ms 504 KB Output is correct
19 Correct 2390 ms 210664 KB Output is correct
20 Correct 2550 ms 210624 KB Output is correct
21 Correct 2443 ms 210580 KB Output is correct
22 Correct 477 ms 29380 KB Output is correct
23 Correct 463 ms 27664 KB Output is correct
24 Correct 97 ms 4088 KB Output is correct
25 Correct 2162 ms 200080 KB Output is correct
26 Correct 2267 ms 200568 KB Output is correct
27 Correct 1892 ms 190328 KB Output is correct
28 Correct 306 ms 15480 KB Output is correct
29 Correct 356 ms 16032 KB Output is correct
30 Correct 72 ms 3704 KB Output is correct
31 Correct 2144 ms 210680 KB Output is correct
32 Correct 2438 ms 210704 KB Output is correct
33 Correct 2504 ms 210556 KB Output is correct
34 Correct 456 ms 29476 KB Output is correct
35 Correct 446 ms 27748 KB Output is correct
36 Correct 109 ms 4088 KB Output is correct
37 Correct 2191 ms 210824 KB Output is correct
38 Correct 2250 ms 210736 KB Output is correct
39 Correct 1919 ms 203276 KB Output is correct
40 Correct 363 ms 15532 KB Output is correct
41 Correct 345 ms 16284 KB Output is correct
42 Correct 74 ms 3704 KB Output is correct
43 Correct 2725 ms 285860 KB Output is correct
44 Correct 2763 ms 290636 KB Output is correct
45 Execution timed out 3037 ms 290596 KB Time limit exceeded
46 Halted 0 ms 0 KB -