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답안 #123343

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
123343 2019-07-01T07:42:27 Z 구재현(#3026) Two Dishes (JOI19_dishes) C++14
74 / 100
 3613 ms 128048 KB 
#include <bits/stdc++.h>
using namespace std;
const int MAXN = 1000005;
const int MAXT = 2100000;
const int mod = 1e9 + 7;
using lint = long long;
using pi = pair<int, int>;

struct pnt{
	int x, y;
	lint c;
	bool operator<(const pnt &p)const{
		return pi(x, y) < pi(p.x, p.y);
	}
};

struct seg{
	lint lazy[MAXT], tree[MAXT];
	void lazydown(int p){
		lazy[2*p] += lazy[p];
		lazy[2*p+1] += lazy[p];
		tree[2*p] += lazy[p];
		tree[2*p+1] += lazy[p];
		lazy[p] = 0;
		tree[2*p] = max(tree[2*p], tree[p]);
		tree[2*p+1] = max(tree[2*p+1], tree[p]);
		tree[p] = 0;
	}
	void add(int s, int e, int ps, int pe, int p, lint v){
		if(e < ps || pe < s) return;
		if(s <= ps && pe <= e){
			lazy[p] += v;
			tree[p] += v;
			return;
		}
		int pm = (ps + pe) / 2;
		lazydown(p);
		add(s, e, ps, pm, 2*p, v);
		add(s, e, pm + 1, pe, 2*p + 1, v);
	}
	void upperize(int s, int e, int ps, int pe, int p, lint v){
		if(e < ps || pe < s) return;
		if(s <= ps && pe <= e){
			tree[p] = max(tree[p], v);
			return;
		}
		int pm = (ps + pe) / 2;
		lazydown(p);
		upperize(s, e, ps, pm, 2*p, v);
		upperize(s, e, pm+1, pe, 2*p+1, v);
	}
	lint query(int pos, int s, int e, int p){
		if(s == e) return tree[p];
		int m = (s + e) / 2;
		lazydown(p);
		if(pos <= m) return query(pos, s, m, 2*p);
		return query(pos, m+1, e, 2*p+1);
	}
}seg;

int n, m;
lint a[MAXN], s[MAXN], p[MAXN];
lint b[MAXN], t[MAXN], q[MAXN];
int da[MAXN], db[MAXN];
lint dp[MAXN];
vector<pnt> v, w;

int main(){
	scanf("%d %d",&n,&m);
	for(int i=1; i<=n; i++){
		scanf("%lld %lld %lld",&a[i],&s[i],&p[i]);
		a[i] += a[i-1];
	}
	for(int i=1; i<=m; i++){
		scanf("%lld %lld %lld",&b[i],&t[i],&q[i]);
		b[i] += b[i-1];
	}
	lint ret = 0;
	v.push_back({0, 0, 0});
	for(int i=1; i<=n; i++){
		da[i] = upper_bound(b, b + m + 1, s[i] - a[i]) - b;
		if(da[i] > 0){
			if(p[i] > 0) v.push_back({i, da[i], p[i]});
			else w.push_back({i, da[i], -p[i]}), ret += p[i];
		}
	}
	for(int i=1; i<=m; i++){
		db[i] = upper_bound(a, a + n + 1, t[i] - b[i]) - a;
		if(db[i] > 0){
			if(q[i] > 0) w.push_back({db[i], i, q[i]});
			else v.push_back({db[i], i, -q[i]}), ret += q[i];
		}
	}
	sort(v.begin(), v.end());
	sort(w.begin(), w.end());
	v.push_back({n + 1, m + 1, 0});
	int pw = 0;
	for(int i=1; i<v.size(); ){
		int e = i;
		while(e < v.size() && v[e].x == v[i].x) e++;
		for(int j = i; j < e; j++){
			seg.add(0, v[j].y, 0, m + 1, 1, v[j].c);
		}
		while(pw < w.size() && w[pw].x <= v[i].x){
			seg.add(w[pw].y + 1, m + 1, 0, m + 1, 1, w[pw].c);
			pw++;
		}
		for(int j = i; j < e; j++){
			dp[j] = seg.query(v[j].y, 0, m + 1, 1);
		}
		for(int j = i; j < e; j++){
			seg.upperize(v[j].y, m + 1, 0, m + 1, 1, dp[j]);
		}
		i = e;
	}
	lint dap = -1e18;
	for(int i=0; i<m+2; i++) dap = max(dap, seg.query(i, 0, m+1, 1));
	cout << ret + dap << endl;
}

Compilation message

dishes.cpp: In function 'int main()':
dishes.cpp:98:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<v.size(); ){
               ~^~~~~~~~~
dishes.cpp:100:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(e < v.size() && v[e].x == v[i].x) e++;
         ~~^~~~~~~~~~
dishes.cpp:104:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(pw < w.size() && w[pw].x <= v[i].x){
         ~~~^~~~~~~~~~
dishes.cpp:69:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
dishes.cpp:71:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld",&a[i],&s[i],&p[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
dishes.cpp:75:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld %lld",&b[i],&t[i],&q[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 416 ms 27484 KB Output is correct
2 Correct 426 ms 28072 KB Output is correct
3 Correct 399 ms 28376 KB Output is correct
4 Correct 357 ms 25060 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 414 ms 27476 KB Output is correct
7 Correct 207 ms 17756 KB Output is correct
8 Correct 123 ms 11356 KB Output is correct
9 Correct 398 ms 28360 KB Output is correct
10 Correct 374 ms 28184 KB Output is correct
11 Correct 334 ms 28116 KB Output is correct

Subtask #2
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 424 KB Output is correct
3 Correct 2 ms 380 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 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 504 KB Output is correct

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 424 KB Output is correct
3 Correct 2 ms 380 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 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 6 ms 764 KB Output is correct
18 Correct 6 ms 760 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 6 ms 760 KB Output is correct
21 Correct 6 ms 764 KB Output is correct
22 Correct 6 ms 760 KB Output is correct
23 Correct 5 ms 760 KB Output is correct

Subtask #4
39.0 / 39.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 424 KB Output is correct
3 Correct 2 ms 380 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 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 6 ms 764 KB Output is correct
18 Correct 6 ms 760 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 6 ms 760 KB Output is correct
21 Correct 6 ms 764 KB Output is correct
22 Correct 6 ms 760 KB Output is correct
23 Correct 5 ms 760 KB Output is correct
24 Correct 406 ms 28620 KB Output is correct
25 Correct 327 ms 25952 KB Output is correct
26 Correct 385 ms 28568 KB Output is correct
27 Correct 339 ms 25948 KB Output is correct
28 Correct 439 ms 27220 KB Output is correct
29 Correct 358 ms 28164 KB Output is correct
30 Correct 581 ms 28288 KB Output is correct
31 Correct 190 ms 17756 KB Output is correct
32 Correct 117 ms 11228 KB Output is correct
33 Correct 407 ms 24280 KB Output is correct
34 Correct 523 ms 27860 KB Output is correct
35 Correct 504 ms 28096 KB Output is correct
36 Correct 495 ms 27744 KB Output is correct

Subtask #5
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 424 KB Output is correct
3 Correct 2 ms 380 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 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 6 ms 764 KB Output is correct
18 Correct 6 ms 760 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 6 ms 760 KB Output is correct
21 Correct 6 ms 764 KB Output is correct
22 Correct 6 ms 760 KB Output is correct
23 Correct 5 ms 760 KB Output is correct
24 Correct 406 ms 28620 KB Output is correct
25 Correct 327 ms 25952 KB Output is correct
26 Correct 385 ms 28568 KB Output is correct
27 Correct 339 ms 25948 KB Output is correct
28 Correct 439 ms 27220 KB Output is correct
29 Correct 358 ms 28164 KB Output is correct
30 Correct 581 ms 28288 KB Output is correct
31 Correct 190 ms 17756 KB Output is correct
32 Correct 117 ms 11228 KB Output is correct
33 Correct 407 ms 24280 KB Output is correct
34 Correct 523 ms 27860 KB Output is correct
35 Correct 504 ms 28096 KB Output is correct
36 Correct 495 ms 27744 KB Output is correct
37 Correct 421 ms 28516 KB Output is correct
38 Correct 372 ms 25820 KB Output is correct
39 Correct 418 ms 28372 KB Output is correct
40 Correct 444 ms 28304 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 607 ms 28116 KB Output is correct
43 Correct 437 ms 24076 KB Output is correct
44 Correct 549 ms 27732 KB Output is correct
45 Correct 538 ms 28024 KB Output is correct

Subtask #6
9.0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 424 KB Output is correct
3 Correct 2 ms 380 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 2 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 504 KB Output is correct
17 Correct 6 ms 764 KB Output is correct
18 Correct 6 ms 760 KB Output is correct
19 Correct 6 ms 760 KB Output is correct
20 Correct 6 ms 760 KB Output is correct
21 Correct 6 ms 764 KB Output is correct
22 Correct 6 ms 760 KB Output is correct
23 Correct 5 ms 760 KB Output is correct
24 Correct 406 ms 28620 KB Output is correct
25 Correct 327 ms 25952 KB Output is correct
26 Correct 385 ms 28568 KB Output is correct
27 Correct 339 ms 25948 KB Output is correct
28 Correct 439 ms 27220 KB Output is correct
29 Correct 358 ms 28164 KB Output is correct
30 Correct 581 ms 28288 KB Output is correct
31 Correct 190 ms 17756 KB Output is correct
32 Correct 117 ms 11228 KB Output is correct
33 Correct 407 ms 24280 KB Output is correct
34 Correct 523 ms 27860 KB Output is correct
35 Correct 504 ms 28096 KB Output is correct
36 Correct 495 ms 27744 KB Output is correct
37 Correct 421 ms 28516 KB Output is correct
38 Correct 372 ms 25820 KB Output is correct
39 Correct 418 ms 28372 KB Output is correct
40 Correct 444 ms 28304 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 607 ms 28116 KB Output is correct
43 Correct 437 ms 24076 KB Output is correct
44 Correct 549 ms 27732 KB Output is correct
45 Correct 538 ms 28024 KB Output is correct
46 Correct 2224 ms 128048 KB Output is correct
47 Correct 1957 ms 116024 KB Output is correct
48 Correct 2163 ms 127648 KB Output is correct
49 Correct 2207 ms 127696 KB Output is correct
50 Correct 3613 ms 127308 KB Output is correct
51 Correct 2389 ms 105536 KB Output is correct
52 Correct 2970 ms 122768 KB Output is correct
53 Correct 3212 ms 126724 KB Output is correct

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 416 ms 27484 KB Output is correct
2 Correct 426 ms 28072 KB Output is correct
3 Correct 399 ms 28376 KB Output is correct
4 Correct 357 ms 25060 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 414 ms 27476 KB Output is correct
7 Correct 207 ms 17756 KB Output is correct
8 Correct 123 ms 11356 KB Output is correct
9 Correct 398 ms 28360 KB Output is correct
10 Correct 374 ms 28184 KB Output is correct
11 Correct 334 ms 28116 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 424 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 6 ms 764 KB Output is correct
29 Correct 6 ms 760 KB Output is correct
30 Correct 6 ms 760 KB Output is correct
31 Correct 6 ms 760 KB Output is correct
32 Correct 6 ms 764 KB Output is correct
33 Correct 6 ms 760 KB Output is correct
34 Correct 5 ms 760 KB Output is correct
35 Correct 406 ms 28620 KB Output is correct
36 Correct 327 ms 25952 KB Output is correct
37 Correct 385 ms 28568 KB Output is correct
38 Correct 339 ms 25948 KB Output is correct
39 Correct 439 ms 27220 KB Output is correct
40 Correct 358 ms 28164 KB Output is correct
41 Correct 581 ms 28288 KB Output is correct
42 Correct 190 ms 17756 KB Output is correct
43 Correct 117 ms 11228 KB Output is correct
44 Correct 407 ms 24280 KB Output is correct
45 Correct 523 ms 27860 KB Output is correct
46 Correct 504 ms 28096 KB Output is correct
47 Correct 495 ms 27744 KB Output is correct
48 Correct 421 ms 28516 KB Output is correct
49 Correct 372 ms 25820 KB Output is correct
50 Correct 418 ms 28372 KB Output is correct
51 Correct 444 ms 28304 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 607 ms 28116 KB Output is correct
54 Correct 437 ms 24076 KB Output is correct
55 Correct 549 ms 27732 KB Output is correct
56 Correct 538 ms 28024 KB Output is correct
57 Incorrect 388 ms 27692 KB Output isn't correct
58 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 416 ms 27484 KB Output is correct
2 Correct 426 ms 28072 KB Output is correct
3 Correct 399 ms 28376 KB Output is correct
4 Correct 357 ms 25060 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 414 ms 27476 KB Output is correct
7 Correct 207 ms 17756 KB Output is correct
8 Correct 123 ms 11356 KB Output is correct
9 Correct 398 ms 28360 KB Output is correct
10 Correct 374 ms 28184 KB Output is correct
11 Correct 334 ms 28116 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 424 KB Output is correct
14 Correct 2 ms 380 KB Output is correct
15 Correct 2 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 376 KB Output is correct
21 Correct 2 ms 376 KB Output is correct
22 Correct 2 ms 376 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 6 ms 764 KB Output is correct
29 Correct 6 ms 760 KB Output is correct
30 Correct 6 ms 760 KB Output is correct
31 Correct 6 ms 760 KB Output is correct
32 Correct 6 ms 764 KB Output is correct
33 Correct 6 ms 760 KB Output is correct
34 Correct 5 ms 760 KB Output is correct
35 Correct 406 ms 28620 KB Output is correct
36 Correct 327 ms 25952 KB Output is correct
37 Correct 385 ms 28568 KB Output is correct
38 Correct 339 ms 25948 KB Output is correct
39 Correct 439 ms 27220 KB Output is correct
40 Correct 358 ms 28164 KB Output is correct
41 Correct 581 ms 28288 KB Output is correct
42 Correct 190 ms 17756 KB Output is correct
43 Correct 117 ms 11228 KB Output is correct
44 Correct 407 ms 24280 KB Output is correct
45 Correct 523 ms 27860 KB Output is correct
46 Correct 504 ms 28096 KB Output is correct
47 Correct 495 ms 27744 KB Output is correct
48 Correct 421 ms 28516 KB Output is correct
49 Correct 372 ms 25820 KB Output is correct
50 Correct 418 ms 28372 KB Output is correct
51 Correct 444 ms 28304 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 607 ms 28116 KB Output is correct
54 Correct 437 ms 24076 KB Output is correct
55 Correct 549 ms 27732 KB Output is correct
56 Correct 538 ms 28024 KB Output is correct
57 Correct 2224 ms 128048 KB Output is correct
58 Correct 1957 ms 116024 KB Output is correct
59 Correct 2163 ms 127648 KB Output is correct
60 Correct 2207 ms 127696 KB Output is correct
61 Correct 3613 ms 127308 KB Output is correct
62 Correct 2389 ms 105536 KB Output is correct
63 Correct 2970 ms 122768 KB Output is correct
64 Correct 3212 ms 126724 KB Output is correct
65 Incorrect 388 ms 27692 KB Output isn't correct
66 Halted 0 ms 0 KB -