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답안 #123339

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
123339 2019-07-01T07:35:36 Z 구재현(#3026) Two Dishes (JOI19_dishes) C++14
74 / 100
 3647 ms 121128 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;

lint getCostV(int s, int e, int x){
	lint ret = 0;
	for(auto &i : v){
		if(s <= i.x && i.x <= e && i.y >= x) ret += i.c; 
	}
	return ret;
}

lint getCostW(int s, int e, int x){
	lint ret = 0;
	for(auto &i : w){
		if(s <= i.x && i.x <= e && i.y <= x) ret += i.c; 
	}
	return ret;
}

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++){
			lint val = seg.query(v[j].y, 0, m + 1, 1);
			seg.upperize(v[j].y, m + 1, 0, m + 1, 1, val);
		}
		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:114:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i=1; i<v.size(); ){
               ~^~~~~~~~~
dishes.cpp:116:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(e < v.size() && v[e].x == v[i].x) e++;
         ~~^~~~~~~~~~
dishes.cpp:120:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(pw < w.size() && w[pw].x <= v[i].x){
         ~~~^~~~~~~~~~
dishes.cpp:85:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
dishes.cpp:87:8: 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:91:8: 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 407 ms 30292 KB Output is correct
2 Correct 418 ms 30660 KB Output is correct
3 Correct 386 ms 31016 KB Output is correct
4 Correct 363 ms 28172 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 408 ms 30420 KB Output is correct
7 Correct 197 ms 21344 KB Output is correct
8 Correct 122 ms 14308 KB Output is correct
9 Correct 397 ms 30904 KB Output is correct
10 Correct 370 ms 30328 KB Output is correct
11 Correct 333 ms 30676 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 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 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 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 376 KB Output is correct
17 Correct 5 ms 636 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 6 ms 632 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 5 ms 632 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 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 376 KB Output is correct
17 Correct 5 ms 636 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 6 ms 632 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 5 ms 632 KB Output is correct
24 Correct 427 ms 31052 KB Output is correct
25 Correct 328 ms 29012 KB Output is correct
26 Correct 387 ms 31068 KB Output is correct
27 Correct 343 ms 29240 KB Output is correct
28 Correct 431 ms 30040 KB Output is correct
29 Correct 360 ms 31572 KB Output is correct
30 Correct 570 ms 30292 KB Output is correct
31 Correct 190 ms 21468 KB Output is correct
32 Correct 113 ms 13884 KB Output is correct
33 Correct 400 ms 28260 KB Output is correct
34 Correct 515 ms 31148 KB Output is correct
35 Correct 498 ms 27860 KB Output is correct
36 Correct 485 ms 27780 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 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 376 KB Output is correct
17 Correct 5 ms 636 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 6 ms 632 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 5 ms 632 KB Output is correct
24 Correct 427 ms 31052 KB Output is correct
25 Correct 328 ms 29012 KB Output is correct
26 Correct 387 ms 31068 KB Output is correct
27 Correct 343 ms 29240 KB Output is correct
28 Correct 431 ms 30040 KB Output is correct
29 Correct 360 ms 31572 KB Output is correct
30 Correct 570 ms 30292 KB Output is correct
31 Correct 190 ms 21468 KB Output is correct
32 Correct 113 ms 13884 KB Output is correct
33 Correct 400 ms 28260 KB Output is correct
34 Correct 515 ms 31148 KB Output is correct
35 Correct 498 ms 27860 KB Output is correct
36 Correct 485 ms 27780 KB Output is correct
37 Correct 415 ms 30060 KB Output is correct
38 Correct 368 ms 28140 KB Output is correct
39 Correct 411 ms 29940 KB Output is correct
40 Correct 418 ms 30164 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 597 ms 29604 KB Output is correct
43 Correct 447 ms 26488 KB Output is correct
44 Correct 597 ms 29284 KB Output is correct
45 Correct 532 ms 28500 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 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 376 KB Output is correct
17 Correct 5 ms 636 KB Output is correct
18 Correct 4 ms 632 KB Output is correct
19 Correct 6 ms 632 KB Output is correct
20 Correct 5 ms 632 KB Output is correct
21 Correct 5 ms 632 KB Output is correct
22 Correct 5 ms 632 KB Output is correct
23 Correct 5 ms 632 KB Output is correct
24 Correct 427 ms 31052 KB Output is correct
25 Correct 328 ms 29012 KB Output is correct
26 Correct 387 ms 31068 KB Output is correct
27 Correct 343 ms 29240 KB Output is correct
28 Correct 431 ms 30040 KB Output is correct
29 Correct 360 ms 31572 KB Output is correct
30 Correct 570 ms 30292 KB Output is correct
31 Correct 190 ms 21468 KB Output is correct
32 Correct 113 ms 13884 KB Output is correct
33 Correct 400 ms 28260 KB Output is correct
34 Correct 515 ms 31148 KB Output is correct
35 Correct 498 ms 27860 KB Output is correct
36 Correct 485 ms 27780 KB Output is correct
37 Correct 415 ms 30060 KB Output is correct
38 Correct 368 ms 28140 KB Output is correct
39 Correct 411 ms 29940 KB Output is correct
40 Correct 418 ms 30164 KB Output is correct
41 Correct 2 ms 376 KB Output is correct
42 Correct 597 ms 29604 KB Output is correct
43 Correct 447 ms 26488 KB Output is correct
44 Correct 597 ms 29284 KB Output is correct
45 Correct 532 ms 28500 KB Output is correct
46 Correct 2158 ms 121128 KB Output is correct
47 Correct 1900 ms 113072 KB Output is correct
48 Correct 2139 ms 120764 KB Output is correct
49 Correct 2164 ms 120736 KB Output is correct
50 Correct 3647 ms 120556 KB Output is correct
51 Correct 2354 ms 103100 KB Output is correct
52 Correct 2925 ms 115960 KB Output is correct
53 Correct 3131 ms 120860 KB Output is correct

Subtask #7
0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 407 ms 30292 KB Output is correct
2 Correct 418 ms 30660 KB Output is correct
3 Correct 386 ms 31016 KB Output is correct
4 Correct 363 ms 28172 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 408 ms 30420 KB Output is correct
7 Correct 197 ms 21344 KB Output is correct
8 Correct 122 ms 14308 KB Output is correct
9 Correct 397 ms 30904 KB Output is correct
10 Correct 370 ms 30328 KB Output is correct
11 Correct 333 ms 30676 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 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 376 KB Output is correct
28 Correct 5 ms 636 KB Output is correct
29 Correct 4 ms 632 KB Output is correct
30 Correct 6 ms 632 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 5 ms 632 KB Output is correct
33 Correct 5 ms 632 KB Output is correct
34 Correct 5 ms 632 KB Output is correct
35 Correct 427 ms 31052 KB Output is correct
36 Correct 328 ms 29012 KB Output is correct
37 Correct 387 ms 31068 KB Output is correct
38 Correct 343 ms 29240 KB Output is correct
39 Correct 431 ms 30040 KB Output is correct
40 Correct 360 ms 31572 KB Output is correct
41 Correct 570 ms 30292 KB Output is correct
42 Correct 190 ms 21468 KB Output is correct
43 Correct 113 ms 13884 KB Output is correct
44 Correct 400 ms 28260 KB Output is correct
45 Correct 515 ms 31148 KB Output is correct
46 Correct 498 ms 27860 KB Output is correct
47 Correct 485 ms 27780 KB Output is correct
48 Correct 415 ms 30060 KB Output is correct
49 Correct 368 ms 28140 KB Output is correct
50 Correct 411 ms 29940 KB Output is correct
51 Correct 418 ms 30164 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 597 ms 29604 KB Output is correct
54 Correct 447 ms 26488 KB Output is correct
55 Correct 597 ms 29284 KB Output is correct
56 Correct 532 ms 28500 KB Output is correct
57 Incorrect 380 ms 29748 KB Output isn't correct
58 Halted 0 ms 0 KB -

Subtask #8
0 / 9.0

# 결과 실행 시간 메모리 Grader output
1 Correct 407 ms 30292 KB Output is correct
2 Correct 418 ms 30660 KB Output is correct
3 Correct 386 ms 31016 KB Output is correct
4 Correct 363 ms 28172 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 408 ms 30420 KB Output is correct
7 Correct 197 ms 21344 KB Output is correct
8 Correct 122 ms 14308 KB Output is correct
9 Correct 397 ms 30904 KB Output is correct
10 Correct 370 ms 30328 KB Output is correct
11 Correct 333 ms 30676 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 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 376 KB Output is correct
28 Correct 5 ms 636 KB Output is correct
29 Correct 4 ms 632 KB Output is correct
30 Correct 6 ms 632 KB Output is correct
31 Correct 5 ms 632 KB Output is correct
32 Correct 5 ms 632 KB Output is correct
33 Correct 5 ms 632 KB Output is correct
34 Correct 5 ms 632 KB Output is correct
35 Correct 427 ms 31052 KB Output is correct
36 Correct 328 ms 29012 KB Output is correct
37 Correct 387 ms 31068 KB Output is correct
38 Correct 343 ms 29240 KB Output is correct
39 Correct 431 ms 30040 KB Output is correct
40 Correct 360 ms 31572 KB Output is correct
41 Correct 570 ms 30292 KB Output is correct
42 Correct 190 ms 21468 KB Output is correct
43 Correct 113 ms 13884 KB Output is correct
44 Correct 400 ms 28260 KB Output is correct
45 Correct 515 ms 31148 KB Output is correct
46 Correct 498 ms 27860 KB Output is correct
47 Correct 485 ms 27780 KB Output is correct
48 Correct 415 ms 30060 KB Output is correct
49 Correct 368 ms 28140 KB Output is correct
50 Correct 411 ms 29940 KB Output is correct
51 Correct 418 ms 30164 KB Output is correct
52 Correct 2 ms 376 KB Output is correct
53 Correct 597 ms 29604 KB Output is correct
54 Correct 447 ms 26488 KB Output is correct
55 Correct 597 ms 29284 KB Output is correct
56 Correct 532 ms 28500 KB Output is correct
57 Correct 2158 ms 121128 KB Output is correct
58 Correct 1900 ms 113072 KB Output is correct
59 Correct 2139 ms 120764 KB Output is correct
60 Correct 2164 ms 120736 KB Output is correct
61 Correct 3647 ms 120556 KB Output is correct
62 Correct 2354 ms 103100 KB Output is correct
63 Correct 2925 ms 115960 KB Output is correct
64 Correct 3131 ms 120860 KB Output is correct
65 Incorrect 380 ms 29748 KB Output isn't correct
66 Halted 0 ms 0 KB -