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답안 #123387

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
123387 2019-07-01T10:31:30 Z gs14004 Two Dishes (JOI19_dishes) C++17
74 / 100
 3680 ms 129400 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 - 1, 0, m, 1, v[j].c);
		}
		while(pw < w.size() && w[pw].x <= v[i].x){
			seg.add(w[pw].y, m, 0, m, 1, w[pw].c);
			pw++;
		}
		if(v[i].x <= n){
		for(int j = i; j < e; j++){
			dp[j] = seg.query(v[j].y - 1, 0, m, 1);
		}
		for(int j = i; j < e; j++){
			seg.upperize(v[j].y - 1, m, 0, m, 1, dp[j]);
		}
		}
		i = e;
	}
	lint dap = -1e18;
	for(int i=0; i<=m; i++) dap = max(dap, seg.query(i, 0, m, 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 409 ms 30804 KB Output is correct
2 Correct 425 ms 31320 KB Output is correct
3 Correct 395 ms 31764 KB Output is correct
4 Correct 347 ms 28332 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 408 ms 30804 KB Output is correct
7 Correct 197 ms 19552 KB Output is correct
8 Correct 121 ms 13152 KB Output is correct
9 Correct 409 ms 31648 KB Output is correct
10 Correct 372 ms 30392 KB Output is correct
11 Correct 343 ms 30336 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 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 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 364 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 376 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 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 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 364 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 376 KB Output is correct
17 Correct 5 ms 760 KB Output is correct
18 Correct 5 ms 760 KB Output is correct
19 Correct 6 ms 764 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 6 ms 868 KB Output is correct
22 Correct 5 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 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 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 364 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 376 KB Output is correct
17 Correct 5 ms 760 KB Output is correct
18 Correct 5 ms 760 KB Output is correct
19 Correct 6 ms 764 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 6 ms 868 KB Output is correct
22 Correct 5 ms 760 KB Output is correct
23 Correct 5 ms 760 KB Output is correct
24 Correct 353 ms 31296 KB Output is correct
25 Correct 329 ms 29024 KB Output is correct
26 Correct 388 ms 31836 KB Output is correct
27 Correct 342 ms 28976 KB Output is correct
28 Correct 435 ms 30340 KB Output is correct
29 Correct 363 ms 31316 KB Output is correct
30 Correct 589 ms 31320 KB Output is correct
31 Correct 191 ms 19932 KB Output is correct
32 Correct 113 ms 13148 KB Output is correct
33 Correct 406 ms 26928 KB Output is correct
34 Correct 525 ms 30548 KB Output is correct
35 Correct 503 ms 29464 KB Output is correct
36 Correct 495 ms 29372 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 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 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 364 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 376 KB Output is correct
17 Correct 5 ms 760 KB Output is correct
18 Correct 5 ms 760 KB Output is correct
19 Correct 6 ms 764 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 6 ms 868 KB Output is correct
22 Correct 5 ms 760 KB Output is correct
23 Correct 5 ms 760 KB Output is correct
24 Correct 353 ms 31296 KB Output is correct
25 Correct 329 ms 29024 KB Output is correct
26 Correct 388 ms 31836 KB Output is correct
27 Correct 342 ms 28976 KB Output is correct
28 Correct 435 ms 30340 KB Output is correct
29 Correct 363 ms 31316 KB Output is correct
30 Correct 589 ms 31320 KB Output is correct
31 Correct 191 ms 19932 KB Output is correct
32 Correct 113 ms 13148 KB Output is correct
33 Correct 406 ms 26928 KB Output is correct
34 Correct 525 ms 30548 KB Output is correct
35 Correct 503 ms 29464 KB Output is correct
36 Correct 495 ms 29372 KB Output is correct
37 Correct 417 ms 32556 KB Output is correct
38 Correct 368 ms 29916 KB Output is correct
39 Correct 416 ms 31500 KB Output is correct
40 Correct 432 ms 31476 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 610 ms 32052 KB Output is correct
43 Correct 442 ms 28256 KB Output is correct
44 Correct 556 ms 31800 KB Output is correct
45 Correct 535 ms 30808 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 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 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 364 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 376 KB Output is correct
17 Correct 5 ms 760 KB Output is correct
18 Correct 5 ms 760 KB Output is correct
19 Correct 6 ms 764 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 6 ms 868 KB Output is correct
22 Correct 5 ms 760 KB Output is correct
23 Correct 5 ms 760 KB Output is correct
24 Correct 353 ms 31296 KB Output is correct
25 Correct 329 ms 29024 KB Output is correct
26 Correct 388 ms 31836 KB Output is correct
27 Correct 342 ms 28976 KB Output is correct
28 Correct 435 ms 30340 KB Output is correct
29 Correct 363 ms 31316 KB Output is correct
30 Correct 589 ms 31320 KB Output is correct
31 Correct 191 ms 19932 KB Output is correct
32 Correct 113 ms 13148 KB Output is correct
33 Correct 406 ms 26928 KB Output is correct
34 Correct 525 ms 30548 KB Output is correct
35 Correct 503 ms 29464 KB Output is correct
36 Correct 495 ms 29372 KB Output is correct
37 Correct 417 ms 32556 KB Output is correct
38 Correct 368 ms 29916 KB Output is correct
39 Correct 416 ms 31500 KB Output is correct
40 Correct 432 ms 31476 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 610 ms 32052 KB Output is correct
43 Correct 442 ms 28256 KB Output is correct
44 Correct 556 ms 31800 KB Output is correct
45 Correct 535 ms 30808 KB Output is correct
46 Correct 2193 ms 129400 KB Output is correct
47 Correct 1911 ms 117208 KB Output is correct
48 Correct 2154 ms 128320 KB Output is correct
49 Correct 2182 ms 127548 KB Output is correct
50 Correct 3680 ms 127164 KB Output is correct
51 Correct 2386 ms 105296 KB Output is correct
52 Correct 2964 ms 122408 KB Output is correct
53 Correct 3294 ms 126212 KB Output is correct

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 409 ms 30804 KB Output is correct
2 Correct 425 ms 31320 KB Output is correct
3 Correct 395 ms 31764 KB Output is correct
4 Correct 347 ms 28332 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 408 ms 30804 KB Output is correct
7 Correct 197 ms 19552 KB Output is correct
8 Correct 121 ms 13152 KB Output is correct
9 Correct 409 ms 31648 KB Output is correct
10 Correct 372 ms 30392 KB Output is correct
11 Correct 343 ms 30336 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 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 364 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 376 KB Output is correct
28 Correct 5 ms 760 KB Output is correct
29 Correct 5 ms 760 KB Output is correct
30 Correct 6 ms 764 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 6 ms 868 KB Output is correct
33 Correct 5 ms 760 KB Output is correct
34 Correct 5 ms 760 KB Output is correct
35 Correct 353 ms 31296 KB Output is correct
36 Correct 329 ms 29024 KB Output is correct
37 Correct 388 ms 31836 KB Output is correct
38 Correct 342 ms 28976 KB Output is correct
39 Correct 435 ms 30340 KB Output is correct
40 Correct 363 ms 31316 KB Output is correct
41 Correct 589 ms 31320 KB Output is correct
42 Correct 191 ms 19932 KB Output is correct
43 Correct 113 ms 13148 KB Output is correct
44 Correct 406 ms 26928 KB Output is correct
45 Correct 525 ms 30548 KB Output is correct
46 Correct 503 ms 29464 KB Output is correct
47 Correct 495 ms 29372 KB Output is correct
48 Correct 417 ms 32556 KB Output is correct
49 Correct 368 ms 29916 KB Output is correct
50 Correct 416 ms 31500 KB Output is correct
51 Correct 432 ms 31476 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 610 ms 32052 KB Output is correct
54 Correct 442 ms 28256 KB Output is correct
55 Correct 556 ms 31800 KB Output is correct
56 Correct 535 ms 30808 KB Output is correct
57 Incorrect 347 ms 26300 KB Output isn't correct
58 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 409 ms 30804 KB Output is correct
2 Correct 425 ms 31320 KB Output is correct
3 Correct 395 ms 31764 KB Output is correct
4 Correct 347 ms 28332 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 408 ms 30804 KB Output is correct
7 Correct 197 ms 19552 KB Output is correct
8 Correct 121 ms 13152 KB Output is correct
9 Correct 409 ms 31648 KB Output is correct
10 Correct 372 ms 30392 KB Output is correct
11 Correct 343 ms 30336 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 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 364 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 376 KB Output is correct
28 Correct 5 ms 760 KB Output is correct
29 Correct 5 ms 760 KB Output is correct
30 Correct 6 ms 764 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 6 ms 868 KB Output is correct
33 Correct 5 ms 760 KB Output is correct
34 Correct 5 ms 760 KB Output is correct
35 Correct 353 ms 31296 KB Output is correct
36 Correct 329 ms 29024 KB Output is correct
37 Correct 388 ms 31836 KB Output is correct
38 Correct 342 ms 28976 KB Output is correct
39 Correct 435 ms 30340 KB Output is correct
40 Correct 363 ms 31316 KB Output is correct
41 Correct 589 ms 31320 KB Output is correct
42 Correct 191 ms 19932 KB Output is correct
43 Correct 113 ms 13148 KB Output is correct
44 Correct 406 ms 26928 KB Output is correct
45 Correct 525 ms 30548 KB Output is correct
46 Correct 503 ms 29464 KB Output is correct
47 Correct 495 ms 29372 KB Output is correct
48 Correct 417 ms 32556 KB Output is correct
49 Correct 368 ms 29916 KB Output is correct
50 Correct 416 ms 31500 KB Output is correct
51 Correct 432 ms 31476 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 610 ms 32052 KB Output is correct
54 Correct 442 ms 28256 KB Output is correct
55 Correct 556 ms 31800 KB Output is correct
56 Correct 535 ms 30808 KB Output is correct
57 Correct 2193 ms 129400 KB Output is correct
58 Correct 1911 ms 117208 KB Output is correct
59 Correct 2154 ms 128320 KB Output is correct
60 Correct 2182 ms 127548 KB Output is correct
61 Correct 3680 ms 127164 KB Output is correct
62 Correct 2386 ms 105296 KB Output is correct
63 Correct 2964 ms 122408 KB Output is correct
64 Correct 3294 ms 126212 KB Output is correct
65 Incorrect 347 ms 26300 KB Output isn't correct
66 Halted 0 ms 0 KB -