oj.uz

Submission #217732

# Submission time Handle Problem Language Result Execution time Memory
217732 2020-03-30T14:37:59 Z _7_7_ Treatment Project (JOI20_treatment) C++14
39 / 100
 3000 ms 270444 KB 
#include <bits/stdc++.h>                                           
 
#define int long long
//#pragma GCC optimize("Ofast")
//#pragma comment(linker, "/stack:200000000")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4")
 
 
#define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout);
#define all(x) x.begin(), x.end()
#define sz(s) (int)s.size()
#define pb push_back
#define ppb pop_back
#define mp make_pair
#define s second
#define f first
 
 
using namespace std;
 
 
typedef pair < long long, long long > pll;    
typedef unsigned long long ull;
typedef pair < int, int > pii;
typedef vector < pii > vpii;
typedef vector < int > vi;
typedef long double ldb;  
typedef long long ll;  
typedef double db;                             
 
 
const int inf = 1e9, maxn = 4e5 + 148, mod = 1e9 + 7, N = 1e5 + 11;
const int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}, block = 333;
const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9);
const db eps = 1e-12, pi = 3.14159265359;
const ll INF = 1e18;


vi xx, toDel;
int n, m, d[N], x[N];
set < pii > q, T[N << 2][2];


struct project {
	int t, l, r, c;
} a[N];

void add (int pos, int lvl, pii x, int v = 1, int tl = 0, int tr = m - 1) {
	T[v][lvl].insert(x);
	if (tl == tr)
		return;

	int tm = (tl + tr) >> 1;
	if (pos <= tm)
		add(pos, lvl, x, v << 1, tl, tm);
	else
		add(pos, lvl, x, v << 1 | 1, tm + 1, tr);
}

void del (int pos, int lvl, pii x, int v = 1, int tl = 0, int tr = m - 1) {
	T[v][lvl].erase(x);
	if (tl == tr)
		return;
	
	int tm = (tl + tr) >> 1;
	if (pos <= tm)
		del(pos, lvl, x, v << 1, tl, tm);
	else
		del(pos, lvl, x, v << 1 | 1, tm + 1, tr);
}

void f (int l, int r, int lvl, int X, int Y, int v = 1, int tl = 0, int tr = m - 1) {
	if (l > r || l > tr || tl > r)
		return;

	if (l <= tl && tr <= r) {		
		auto it = T[v][lvl].begin();            
		while (it != T[v][lvl].end()  && it->f <= X) {
			toDel.pb(it->s);
			++it;
		}

		while (sz(toDel))    {
		    int i = toDel.back();
		    toDel.ppb();
		    
			d[i] = Y + a[i].c;
			q.insert({d[i], i});
			del(x[i], 0, {a[i].l + a[i].t, i});
			del(x[i], 1, {a[i].l - a[i].t, i});
		}
		return;
	}

	int tm = (tl + tr) >> 1;
	f(l, r, lvl, X, Y, v << 1, tl, tm);
	f(l, r, lvl, X, Y, v << 1 | 1, tm + 1, tr);
}
	


main () {
    memset(d, -1, sizeof(d));
	scanf("%lld%lld", &n, &m);
	for (int i = 1; i <= m; ++i) {
		scanf("%lld%lld%lld%lld", &a[i].t, &a[i].l, &a[i].r, &a[i].c);
		++a[i].r;
		xx.pb(a[i].t);
	}
	
	sort(all(xx));
	xx.resize(unique(all(xx)) - xx.begin());
	
    for (int i = 1; i <= m; ++i) {
        x[i] = lower_bound(all(xx), a[i].t) - xx.begin();
        if (a[i].l == 1) {
            d[i] = a[i].c;
            q.insert({d[i], i});
        } else {
            add(x[i], 0, {a[i].l + a[i].t, i});
            add(x[i], 1, {a[i].l - a[i].t, i});
        }        
    }


	while (sz(q)) {
		int v = q.begin()->s;
		q.erase(q.begin());
		
		f(x[v], m - 1, 0, a[v].r + a[v].t, d[v]);
		f(0, x[v], 1, a[v].r - a[v].t, d[v]);
	}
	
		
	int mn = INF;	
	for (int i = 1; i <= m; ++i)
		if (a[i].r == n + 1 && d[i] > -1)
			mn = min(mn, d[i]);

	if (mn == INF)
		mn = -1;
	printf("%lld\n", mn);
}

Compilation message

treatment.cpp:102:7: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main () {
       ^
treatment.cpp: In function 'int main()':
treatment.cpp:104:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%lld%lld", &n, &m);
  ~~~~~^~~~~~~~~~~~~~~~~~~~
treatment.cpp:106:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld%lld%lld", &a[i].t, &a[i].l, &a[i].r, &a[i].c);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 1208 ms 268768 KB Output is correct
2 Correct 1300 ms 268780 KB Output is correct
3 Correct 1062 ms 214636 KB Output is correct
4 Correct 1084 ms 214640 KB Output is correct
5 Correct 1250 ms 266836 KB Output is correct
6 Correct 1125 ms 268524 KB Output is correct
7 Correct 1026 ms 268776 KB Output is correct
8 Correct 1189 ms 266672 KB Output is correct
9 Correct 1173 ms 268668 KB Output is correct
10 Correct 1119 ms 268776 KB Output is correct
11 Correct 1312 ms 270444 KB Output is correct
12 Correct 1313 ms 269416 KB Output is correct
13 Correct 1277 ms 268904 KB Output is correct
14 Correct 1298 ms 268612 KB Output is correct
15 Correct 1219 ms 268904 KB Output is correct
16 Correct 1226 ms 268904 KB Output is correct
17 Correct 1182 ms 268912 KB Output is correct
18 Correct 1290 ms 270312 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 38656 KB Output is correct
2 Correct 25 ms 38656 KB Output is correct
3 Correct 26 ms 38656 KB Output is correct
4 Correct 29 ms 38656 KB Output is correct
5 Correct 25 ms 38656 KB Output is correct
6 Correct 26 ms 38656 KB Output is correct
7 Correct 26 ms 38656 KB Output is correct
8 Correct 25 ms 38656 KB Output is correct
9 Correct 26 ms 38648 KB Output is correct
10 Correct 26 ms 38656 KB Output is correct
11 Correct 26 ms 38656 KB Output is correct
12 Correct 26 ms 38656 KB Output is correct
13 Correct 26 ms 38656 KB Output is correct
14 Correct 25 ms 38656 KB Output is correct
15 Correct 26 ms 38656 KB Output is correct
16 Correct 26 ms 38656 KB Output is correct
17 Correct 25 ms 38656 KB Output is correct
18 Correct 30 ms 38656 KB Output is correct
19 Correct 27 ms 38784 KB Output is correct

Subtask #3
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 26 ms 38656 KB Output is correct
2 Correct 25 ms 38656 KB Output is correct
3 Correct 26 ms 38656 KB Output is correct
4 Correct 29 ms 38656 KB Output is correct
5 Correct 25 ms 38656 KB Output is correct
6 Correct 26 ms 38656 KB Output is correct
7 Correct 26 ms 38656 KB Output is correct
8 Correct 25 ms 38656 KB Output is correct
9 Correct 26 ms 38648 KB Output is correct
10 Correct 26 ms 38656 KB Output is correct
11 Correct 26 ms 38656 KB Output is correct
12 Correct 26 ms 38656 KB Output is correct
13 Correct 26 ms 38656 KB Output is correct
14 Correct 25 ms 38656 KB Output is correct
15 Correct 26 ms 38656 KB Output is correct
16 Correct 26 ms 38656 KB Output is correct
17 Correct 25 ms 38656 KB Output is correct
18 Correct 30 ms 38656 KB Output is correct
19 Correct 27 ms 38784 KB Output is correct
20 Correct 60 ms 45304 KB Output is correct
21 Correct 60 ms 45304 KB Output is correct
22 Correct 76 ms 47224 KB Output is correct
23 Correct 75 ms 47224 KB Output is correct
24 Correct 75 ms 45992 KB Output is correct
25 Correct 70 ms 47096 KB Output is correct
26 Correct 70 ms 47224 KB Output is correct
27 Correct 66 ms 47228 KB Output is correct
28 Correct 68 ms 45944 KB Output is correct
29 Correct 70 ms 47096 KB Output is correct
30 Correct 69 ms 47352 KB Output is correct
31 Correct 69 ms 47224 KB Output is correct
32 Correct 83 ms 47224 KB Output is correct
33 Correct 81 ms 47224 KB Output is correct
34 Correct 80 ms 47224 KB Output is correct
35 Correct 87 ms 47224 KB Output is correct
36 Correct 80 ms 47352 KB Output is correct
37 Correct 81 ms 47224 KB Output is correct

Subtask #4
0 / 61.0

# Verdict Execution time Memory Grader output
1 Correct 1208 ms 268768 KB Output is correct
2 Correct 1300 ms 268780 KB Output is correct
3 Correct 1062 ms 214636 KB Output is correct
4 Correct 1084 ms 214640 KB Output is correct
5 Correct 1250 ms 266836 KB Output is correct
6 Correct 1125 ms 268524 KB Output is correct
7 Correct 1026 ms 268776 KB Output is correct
8 Correct 1189 ms 266672 KB Output is correct
9 Correct 1173 ms 268668 KB Output is correct
10 Correct 1119 ms 268776 KB Output is correct
11 Correct 1312 ms 270444 KB Output is correct
12 Correct 1313 ms 269416 KB Output is correct
13 Correct 1277 ms 268904 KB Output is correct
14 Correct 1298 ms 268612 KB Output is correct
15 Correct 1219 ms 268904 KB Output is correct
16 Correct 1226 ms 268904 KB Output is correct
17 Correct 1182 ms 268912 KB Output is correct
18 Correct 1290 ms 270312 KB Output is correct
19 Correct 26 ms 38656 KB Output is correct
20 Correct 25 ms 38656 KB Output is correct
21 Correct 26 ms 38656 KB Output is correct
22 Correct 29 ms 38656 KB Output is correct
23 Correct 25 ms 38656 KB Output is correct
24 Correct 26 ms 38656 KB Output is correct
25 Correct 26 ms 38656 KB Output is correct
26 Correct 25 ms 38656 KB Output is correct
27 Correct 26 ms 38648 KB Output is correct
28 Correct 26 ms 38656 KB Output is correct
29 Correct 26 ms 38656 KB Output is correct
30 Correct 26 ms 38656 KB Output is correct
31 Correct 26 ms 38656 KB Output is correct
32 Correct 25 ms 38656 KB Output is correct
33 Correct 26 ms 38656 KB Output is correct
34 Correct 26 ms 38656 KB Output is correct
35 Correct 25 ms 38656 KB Output is correct
36 Correct 30 ms 38656 KB Output is correct
37 Correct 27 ms 38784 KB Output is correct
38 Correct 60 ms 45304 KB Output is correct
39 Correct 60 ms 45304 KB Output is correct
40 Correct 76 ms 47224 KB Output is correct
41 Correct 75 ms 47224 KB Output is correct
42 Correct 75 ms 45992 KB Output is correct
43 Correct 70 ms 47096 KB Output is correct
44 Correct 70 ms 47224 KB Output is correct
45 Correct 66 ms 47228 KB Output is correct
46 Correct 68 ms 45944 KB Output is correct
47 Correct 70 ms 47096 KB Output is correct
48 Correct 69 ms 47352 KB Output is correct
49 Correct 69 ms 47224 KB Output is correct
50 Correct 83 ms 47224 KB Output is correct
51 Correct 81 ms 47224 KB Output is correct
52 Correct 80 ms 47224 KB Output is correct
53 Correct 87 ms 47224 KB Output is correct
54 Correct 80 ms 47352 KB Output is correct
55 Correct 81 ms 47224 KB Output is correct
56 Correct 1760 ms 211328 KB Output is correct
57 Correct 1727 ms 211488 KB Output is correct
58 Correct 1924 ms 264040 KB Output is correct
59 Correct 1933 ms 264088 KB Output is correct
60 Correct 2192 ms 265064 KB Output is correct
61 Correct 1900 ms 264100 KB Output is correct
62 Correct 1744 ms 211308 KB Output is correct
63 Correct 1684 ms 265056 KB Output is correct
64 Correct 1682 ms 264940 KB Output is correct
65 Correct 1330 ms 268784 KB Output is correct
66 Correct 2226 ms 264940 KB Output is correct
67 Correct 2520 ms 262996 KB Output is correct
68 Correct 2111 ms 264740 KB Output is correct
69 Correct 1763 ms 265064 KB Output is correct
70 Correct 2828 ms 263488 KB Output is correct
71 Correct 2150 ms 264936 KB Output is correct
72 Correct 1699 ms 265068 KB Output is correct
73 Correct 2841 ms 263532 KB Output is correct
74 Correct 1432 ms 264844 KB Output is correct
75 Correct 1277 ms 264964 KB Output is correct
76 Execution timed out 3101 ms 266608 KB Time limit exceeded
77 Halted 0 ms 0 KB -