oj.uz

답안 #123352

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
123352 2019-07-01T08:12:25 Z 구재현(#3026) Two Dishes (JOI19_dishes) C++14
74 / 100
 3732 ms 128172 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, 1, v[j].c);
		}
		while(pw < w.size() && w[pw].x <= v[i].x){
			seg.add(w[pw].y, m + 1, 0, m + 1, 1, w[pw].c);
			pw++;
		}
		for(int j = i; j < e; j++){
			dp[j] = seg.query(v[j].y - 1, 0, m + 1, 1);
		}
		for(int j = i; j < e; j++){
			seg.upperize(v[j].y - 1, 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 409 ms 27232 KB Output is correct
2 Correct 444 ms 27988 KB Output is correct
3 Correct 455 ms 28560 KB Output is correct
4 Correct 347 ms 25276 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 421 ms 27576 KB Output is correct
7 Correct 200 ms 17756 KB Output is correct
8 Correct 123 ms 11356 KB Output is correct
9 Correct 461 ms 28388 KB Output is correct
10 Correct 371 ms 28248 KB Output is correct
11 Correct 423 ms 28372 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 4 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 380 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 380 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 4 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 380 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 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 5 ms 680 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 760 KB Output is correct
21 Correct 6 ms 760 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 4 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 380 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 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 5 ms 680 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 760 KB Output is correct
21 Correct 6 ms 760 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 28584 KB Output is correct
25 Correct 361 ms 25944 KB Output is correct
26 Correct 384 ms 28512 KB Output is correct
27 Correct 385 ms 25864 KB Output is correct
28 Correct 516 ms 27220 KB Output is correct
29 Correct 427 ms 28272 KB Output is correct
30 Correct 576 ms 28120 KB Output is correct
31 Correct 188 ms 17904 KB Output is correct
32 Correct 116 ms 11152 KB Output is correct
33 Correct 397 ms 24288 KB Output is correct
34 Correct 525 ms 28072 KB Output is correct
35 Correct 496 ms 27988 KB Output is correct
36 Correct 495 ms 27860 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 4 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 380 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 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 5 ms 680 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 760 KB Output is correct
21 Correct 6 ms 760 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 28584 KB Output is correct
25 Correct 361 ms 25944 KB Output is correct
26 Correct 384 ms 28512 KB Output is correct
27 Correct 385 ms 25864 KB Output is correct
28 Correct 516 ms 27220 KB Output is correct
29 Correct 427 ms 28272 KB Output is correct
30 Correct 576 ms 28120 KB Output is correct
31 Correct 188 ms 17904 KB Output is correct
32 Correct 116 ms 11152 KB Output is correct
33 Correct 397 ms 24288 KB Output is correct
34 Correct 525 ms 28072 KB Output is correct
35 Correct 496 ms 27988 KB Output is correct
36 Correct 495 ms 27860 KB Output is correct
37 Correct 421 ms 28676 KB Output is correct
38 Correct 408 ms 25880 KB Output is correct
39 Correct 438 ms 28216 KB Output is correct
40 Correct 426 ms 28244 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 620 ms 28212 KB Output is correct
43 Correct 433 ms 24160 KB Output is correct
44 Correct 557 ms 27776 KB Output is correct
45 Correct 539 ms 28096 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 4 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 380 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 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 5 ms 680 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 760 KB Output is correct
21 Correct 6 ms 760 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 28584 KB Output is correct
25 Correct 361 ms 25944 KB Output is correct
26 Correct 384 ms 28512 KB Output is correct
27 Correct 385 ms 25864 KB Output is correct
28 Correct 516 ms 27220 KB Output is correct
29 Correct 427 ms 28272 KB Output is correct
30 Correct 576 ms 28120 KB Output is correct
31 Correct 188 ms 17904 KB Output is correct
32 Correct 116 ms 11152 KB Output is correct
33 Correct 397 ms 24288 KB Output is correct
34 Correct 525 ms 28072 KB Output is correct
35 Correct 496 ms 27988 KB Output is correct
36 Correct 495 ms 27860 KB Output is correct
37 Correct 421 ms 28676 KB Output is correct
38 Correct 408 ms 25880 KB Output is correct
39 Correct 438 ms 28216 KB Output is correct
40 Correct 426 ms 28244 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 620 ms 28212 KB Output is correct
43 Correct 433 ms 24160 KB Output is correct
44 Correct 557 ms 27776 KB Output is correct
45 Correct 539 ms 28096 KB Output is correct
46 Correct 2192 ms 128172 KB Output is correct
47 Correct 2129 ms 116060 KB Output is correct
48 Correct 2157 ms 127740 KB Output is correct
49 Correct 2193 ms 127720 KB Output is correct
50 Correct 3732 ms 127480 KB Output is correct
51 Correct 2348 ms 105836 KB Output is correct
52 Correct 3212 ms 122652 KB Output is correct
53 Correct 3194 ms 126924 KB Output is correct

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 409 ms 27232 KB Output is correct
2 Correct 444 ms 27988 KB Output is correct
3 Correct 455 ms 28560 KB Output is correct
4 Correct 347 ms 25276 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 421 ms 27576 KB Output is correct
7 Correct 200 ms 17756 KB Output is correct
8 Correct 123 ms 11356 KB Output is correct
9 Correct 461 ms 28388 KB Output is correct
10 Correct 371 ms 28248 KB Output is correct
11 Correct 423 ms 28372 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 4 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 380 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 380 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 680 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 760 KB Output is correct
32 Correct 6 ms 760 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 28584 KB Output is correct
36 Correct 361 ms 25944 KB Output is correct
37 Correct 384 ms 28512 KB Output is correct
38 Correct 385 ms 25864 KB Output is correct
39 Correct 516 ms 27220 KB Output is correct
40 Correct 427 ms 28272 KB Output is correct
41 Correct 576 ms 28120 KB Output is correct
42 Correct 188 ms 17904 KB Output is correct
43 Correct 116 ms 11152 KB Output is correct
44 Correct 397 ms 24288 KB Output is correct
45 Correct 525 ms 28072 KB Output is correct
46 Correct 496 ms 27988 KB Output is correct
47 Correct 495 ms 27860 KB Output is correct
48 Correct 421 ms 28676 KB Output is correct
49 Correct 408 ms 25880 KB Output is correct
50 Correct 438 ms 28216 KB Output is correct
51 Correct 426 ms 28244 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 620 ms 28212 KB Output is correct
54 Correct 433 ms 24160 KB Output is correct
55 Correct 557 ms 27776 KB Output is correct
56 Correct 539 ms 28096 KB Output is correct
57 Incorrect 382 ms 27740 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 27232 KB Output is correct
2 Correct 444 ms 27988 KB Output is correct
3 Correct 455 ms 28560 KB Output is correct
4 Correct 347 ms 25276 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 421 ms 27576 KB Output is correct
7 Correct 200 ms 17756 KB Output is correct
8 Correct 123 ms 11356 KB Output is correct
9 Correct 461 ms 28388 KB Output is correct
10 Correct 371 ms 28248 KB Output is correct
11 Correct 423 ms 28372 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 4 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 380 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 380 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 680 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 760 KB Output is correct
32 Correct 6 ms 760 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 28584 KB Output is correct
36 Correct 361 ms 25944 KB Output is correct
37 Correct 384 ms 28512 KB Output is correct
38 Correct 385 ms 25864 KB Output is correct
39 Correct 516 ms 27220 KB Output is correct
40 Correct 427 ms 28272 KB Output is correct
41 Correct 576 ms 28120 KB Output is correct
42 Correct 188 ms 17904 KB Output is correct
43 Correct 116 ms 11152 KB Output is correct
44 Correct 397 ms 24288 KB Output is correct
45 Correct 525 ms 28072 KB Output is correct
46 Correct 496 ms 27988 KB Output is correct
47 Correct 495 ms 27860 KB Output is correct
48 Correct 421 ms 28676 KB Output is correct
49 Correct 408 ms 25880 KB Output is correct
50 Correct 438 ms 28216 KB Output is correct
51 Correct 426 ms 28244 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 620 ms 28212 KB Output is correct
54 Correct 433 ms 24160 KB Output is correct
55 Correct 557 ms 27776 KB Output is correct
56 Correct 539 ms 28096 KB Output is correct
57 Correct 2192 ms 128172 KB Output is correct
58 Correct 2129 ms 116060 KB Output is correct
59 Correct 2157 ms 127740 KB Output is correct
60 Correct 2193 ms 127720 KB Output is correct
61 Correct 3732 ms 127480 KB Output is correct
62 Correct 2348 ms 105836 KB Output is correct
63 Correct 3212 ms 122652 KB Output is correct
64 Correct 3194 ms 126924 KB Output is correct
65 Incorrect 382 ms 27740 KB Output isn't correct
66 Halted 0 ms 0 KB -