oj.uz

Submission #127406

# Submission time Handle Problem Language Result Execution time Memory
127406 2019-07-09T10:38:24 Z claudy Strange Device (APIO19_strange_device) C++14
100 / 100
 1276 ms 79508 KB 
//# pragma GCC optimize("Ofast,no-stack-protector")
//# pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")
# pragma GCC optimize("Ofast")
# pragma GCC optimization ("unroll-loops")
# include "bits/stdc++.h"
std::pair<int,int> DR[] = {{-1,0},{0,1},{1,0},{0,-1},{-1,1},{-1,-1},{1,1},{1,-1}};
# define ll long long
# define clock (clock() * 1000.0 / CLOCKS_PER_SEC)
# define rc(s) return cout << s,0
# define rcg(s) cout << s;exit(0)
# define _ ios_base::sync_with_stdio(false);cin.tie(0);cerr.tie(0);cout.tie(0);
# define db(x) cerr << #x << " = " << x << '\n'
# define pb push_back
# define mp make_pair
# define all(s) s.begin(),s.end()
# define sz(x) (int)((x).size())
# define int ll
using namespace std;

// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# define LOCAL
# define sim template < class c
# define ris return * this
# define dor > debug & operator <<
# define eni(x) sim > typename \
enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) {
sim > struct rge { c b, e; };
sim > rge<c> range(c i, c j) { return rge<c>{i, j}; }
sim > auto dud(c* x) -> decltype(cerr << *x, 0);
sim > char dud(...);
struct debug {
#ifdef LOCAL
~debug() { cerr << endl; }
eni(!=) cerr << boolalpha << i; ris; }
eni(==) ris << range(begin(i), end(i)); }
sim, class b dor(pair < b, c > d) {
ris << "(" << d.first << ", " << d.second << ")";
}
sim dor(rge<c> d) {
*this << "[";
for (auto it = d.b; it != d.e; ++it)
*this << ", " + 2 * (it == d.b) << *it;
ris << "]";
}
#else
sim dor(const c&) { ris; }
#endif
};
#define show(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "
int gcd(int a, int b)
{
if(b) return gcd(b,a%b);
return a;
}mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

bool B = 1;
int n,a,b,l[1 << 20],r[1 << 20],cnt,ans;
map<int,int>m;

int32_t main(){_
	//freopen("input","r",stdin);
	cin >> n >> a >> b;
	a /= gcd(a,b + 1);
	int BIGSHAQ = 1e18;
	if(BIGSHAQ / a < b) B = 0;
	else a *= b;
	for(int i = 1;i <= n;i++)
	{
		cin >> l[i] >> r[i];
		cnt += r[i] - l[i] + 1;
	}
	if(!B) rc(cnt);
	for(int i = 1;i <= n;i++)
	{
		if(r[i] - l[i] + 1 >= a) rc(a);
		r[i] %= a;
		l[i] %= a;
		if(r[i] < l[i])
		{
			m[l[i]]++;
			m[a]--;
			m[0]++;
			m[r[i] + 1]--;
		}
		else
		{
			m[l[i]]++;
			m[r[i] + 1]--;
		}
	}
	int lstr = 0;
	int x = 0;
	ans = a;
	for(auto it : m)
	{
		if(x == 0) ans -= it.first - lstr;
		x += it.second;
		if(x == 0) lstr = it.first;
	}
	if(x == 0) ans -= a - lstr;
	rc(ans);
	return 0;
}

Compilation message

strange_device.cpp:4:0: warning: ignoring #pragma GCC optimization [-Wunknown-pragmas]
 # pragma GCC optimization ("unroll-loops")

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 10 ms 1144 KB Output is correct
3 Correct 11 ms 1144 KB Output is correct
4 Correct 2 ms 348 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 348 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 10 ms 1144 KB Output is correct
17 Correct 102 ms 8228 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #2
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 380 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

Subtask #3
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 3 ms 504 KB Output is correct
3 Correct 3 ms 504 KB Output is correct
4 Correct 3 ms 504 KB Output is correct
5 Correct 418 ms 17224 KB Output is correct

Subtask #4
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 1063 ms 79508 KB Output is correct
3 Correct 1131 ms 79304 KB Output is correct
4 Correct 1204 ms 79468 KB Output is correct

Subtask #5
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 1063 ms 79508 KB Output is correct
3 Correct 1131 ms 79304 KB Output is correct
4 Correct 1204 ms 79468 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 1124 ms 79392 KB Output is correct
7 Correct 1143 ms 79432 KB Output is correct
8 Correct 1126 ms 79484 KB Output is correct
9 Correct 1229 ms 79384 KB Output is correct

Subtask #6
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 1063 ms 79508 KB Output is correct
3 Correct 1131 ms 79304 KB Output is correct
4 Correct 1204 ms 79468 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 87 ms 10284 KB Output is correct
7 Correct 88 ms 9860 KB Output is correct
8 Correct 94 ms 9824 KB Output is correct
9 Correct 113 ms 9788 KB Output is correct
10 Correct 92 ms 9776 KB Output is correct
11 Correct 90 ms 9432 KB Output is correct
12 Correct 97 ms 9600 KB Output is correct
13 Correct 114 ms 9464 KB Output is correct
14 Correct 88 ms 9476 KB Output is correct
15 Correct 111 ms 9452 KB Output is correct
16 Correct 111 ms 9464 KB Output is correct
17 Correct 106 ms 9792 KB Output is correct
18 Correct 1072 ms 79272 KB Output is correct
19 Correct 1165 ms 79396 KB Output is correct
20 Correct 1207 ms 79372 KB Output is correct
21 Correct 96 ms 10104 KB Output is correct
22 Correct 99 ms 10232 KB Output is correct
23 Correct 183 ms 7916 KB Output is correct

Subtask #7
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 111 ms 9788 KB Output is correct
3 Correct 115 ms 10160 KB Output is correct
4 Correct 1171 ms 79400 KB Output is correct
5 Correct 110 ms 9880 KB Output is correct
6 Correct 111 ms 9836 KB Output is correct
7 Correct 109 ms 9848 KB Output is correct
8 Correct 110 ms 10160 KB Output is correct
9 Correct 107 ms 10076 KB Output is correct
10 Correct 98 ms 10072 KB Output is correct
11 Correct 103 ms 10104 KB Output is correct
12 Correct 102 ms 10076 KB Output is correct
13 Correct 112 ms 10076 KB Output is correct
14 Correct 1260 ms 79364 KB Output is correct
15 Correct 92 ms 10180 KB Output is correct
16 Correct 1078 ms 79432 KB Output is correct
17 Correct 1074 ms 79440 KB Output is correct
18 Correct 2 ms 376 KB Output is correct

Subtask #8
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 10 ms 1144 KB Output is correct
3 Correct 11 ms 1144 KB Output is correct
4 Correct 2 ms 348 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 348 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 10 ms 1144 KB Output is correct
17 Correct 102 ms 8228 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 380 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 3 ms 504 KB Output is correct
26 Correct 3 ms 504 KB Output is correct
27 Correct 3 ms 504 KB Output is correct
28 Correct 418 ms 17224 KB Output is correct
29 Correct 2 ms 376 KB Output is correct
30 Correct 1063 ms 79508 KB Output is correct
31 Correct 1131 ms 79304 KB Output is correct
32 Correct 1204 ms 79468 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 1124 ms 79392 KB Output is correct
35 Correct 1143 ms 79432 KB Output is correct
36 Correct 1126 ms 79484 KB Output is correct
37 Correct 1229 ms 79384 KB Output is correct
38 Correct 2 ms 376 KB Output is correct
39 Correct 87 ms 10284 KB Output is correct
40 Correct 88 ms 9860 KB Output is correct
41 Correct 94 ms 9824 KB Output is correct
42 Correct 113 ms 9788 KB Output is correct
43 Correct 92 ms 9776 KB Output is correct
44 Correct 90 ms 9432 KB Output is correct
45 Correct 97 ms 9600 KB Output is correct
46 Correct 114 ms 9464 KB Output is correct
47 Correct 88 ms 9476 KB Output is correct
48 Correct 111 ms 9452 KB Output is correct
49 Correct 111 ms 9464 KB Output is correct
50 Correct 106 ms 9792 KB Output is correct
51 Correct 1072 ms 79272 KB Output is correct
52 Correct 1165 ms 79396 KB Output is correct
53 Correct 1207 ms 79372 KB Output is correct
54 Correct 96 ms 10104 KB Output is correct
55 Correct 99 ms 10232 KB Output is correct
56 Correct 183 ms 7916 KB Output is correct
57 Correct 2 ms 376 KB Output is correct
58 Correct 111 ms 9788 KB Output is correct
59 Correct 115 ms 10160 KB Output is correct
60 Correct 1171 ms 79400 KB Output is correct
61 Correct 110 ms 9880 KB Output is correct
62 Correct 111 ms 9836 KB Output is correct
63 Correct 109 ms 9848 KB Output is correct
64 Correct 110 ms 10160 KB Output is correct
65 Correct 107 ms 10076 KB Output is correct
66 Correct 98 ms 10072 KB Output is correct
67 Correct 103 ms 10104 KB Output is correct
68 Correct 102 ms 10076 KB Output is correct
69 Correct 112 ms 10076 KB Output is correct
70 Correct 1260 ms 79364 KB Output is correct
71 Correct 92 ms 10180 KB Output is correct
72 Correct 1078 ms 79432 KB Output is correct
73 Correct 1074 ms 79440 KB Output is correct
74 Correct 2 ms 376 KB Output is correct
75 Correct 2 ms 376 KB Output is correct
76 Correct 2 ms 376 KB Output is correct
77 Correct 3 ms 376 KB Output is correct
78 Correct 2 ms 380 KB Output is correct
79 Correct 11 ms 1496 KB Output is correct
80 Correct 1213 ms 79496 KB Output is correct
81 Correct 1166 ms 79412 KB Output is correct
82 Correct 1239 ms 79468 KB Output is correct
83 Correct 1222 ms 79440 KB Output is correct
84 Correct 1276 ms 79424 KB Output is correct
85 Correct 1205 ms 79456 KB Output is correct
86 Correct 183 ms 9352 KB Output is correct
87 Correct 2 ms 376 KB Output is correct