oj.uz

Submission #144532

# Submission time Handle Problem Language Result Execution time Memory
144532 2019-08-17T05:02:25 Z cheetose Jakarta Skyscrapers (APIO15_skyscraper) C++11
100 / 100
 232 ms 65936 KB 
#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<vector>
#include<queue>
#include<bitset>
#include<string>
#include<stack>
#include<set>
#include<unordered_set>
#include<map>
#include<unordered_map>
#include<cstring>
#include<complex>
#include<cmath>
#include<iomanip>
#include<numeric>
#include<algorithm>
#include<list>
#include<functional>
#include<cassert>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a));
#define MEM_1(a) memset((a),-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<double> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int,int,int,int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const ll MOD = 1000000007;
ll POW(ll a, ll b, ll MMM = MOD) {ll ret=1; for(;b;b>>=1,a=(a*a)%MMM)if(b&1)ret=(ret*a)% MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };

set<int> S[30001];
VPi v[30001];
bool chk[30001];
int dist[30001];
int B[30001],P[30001];
int n,m;
int main() {
	fill(dist,dist+30001,INF);
	scanf("%d%d",&n,&m);
	fup(i,0,m-1,1)
	{
		scanf("%d%d",B+i,P+i);
		S[B[i]].insert(P[i]);
	}
	fup(i,0,n-1,1)
	{
		for(int p:S[i])
		{
			int d=0,now=i;
			while(1)
			{
				d++,now+=p;
				if(now>=n)break;
				v[i].pb(mp(now,d));
				if(S[now].find(p)!=S[now].end())break;
			}
			d=0,now=i;
			while(1)
			{
				d++,now-=p;
				if(now<0)break;
				v[i].pb(mp(now,d));
				if(S[now].find(p)!=S[now].end())break;
			}
		}
	}
	priority_queue<Pi> q;
	int S=B[0],E=B[1];
	q.push({0,S});
	dist[S] = 0;
	while (!q.empty())
	{
		int x = q.top().second;
		q.pop();
		if (chk[x])continue;
		chk[x] = 1;
		for (int i = 0; i < v[x].size(); i++)
		{
			int next = v[x][i].first;
			int cost = v[x][i].second;
			if (dist[next] > dist[x] + cost)
			{
				dist[next] = dist[x] + cost;
				q.push({-dist[next], next});
			}
		}
	}
	int ans=dist[E];
	if(ans==INF)ans=-1;
	printf("%d",ans);
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:109:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int i = 0; i < v[x].size(); i++)
                   ~~^~~~~~~~~~~~~
skyscraper.cpp:71:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:74:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",B+i,P+i);
   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2556 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 5 ms 2584 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 5 ms 2680 KB Output is correct
12 Correct 4 ms 2552 KB Output is correct
13 Correct 4 ms 2552 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 5 ms 2680 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2556 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2556 KB Output is correct
6 Correct 4 ms 2556 KB Output is correct
7 Correct 4 ms 2580 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2552 KB Output is correct
11 Correct 5 ms 2680 KB Output is correct
12 Correct 4 ms 2552 KB Output is correct
13 Correct 4 ms 2552 KB Output is correct
14 Correct 5 ms 2680 KB Output is correct
15 Correct 5 ms 2680 KB Output is correct
16 Correct 5 ms 2680 KB Output is correct
17 Correct 7 ms 2936 KB Output is correct
18 Correct 6 ms 2680 KB Output is correct
19 Correct 6 ms 2680 KB Output is correct
20 Correct 5 ms 2684 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct
22 Correct 4 ms 2600 KB Output is correct
23 Correct 5 ms 2680 KB Output is correct
24 Correct 6 ms 2808 KB Output is correct
25 Correct 6 ms 2808 KB Output is correct
26 Correct 3 ms 2808 KB Output is correct
27 Correct 5 ms 2680 KB Output is correct
28 Correct 6 ms 2936 KB Output is correct
29 Correct 7 ms 3320 KB Output is correct
30 Correct 5 ms 2808 KB Output is correct
31 Correct 6 ms 3064 KB Output is correct
32 Correct 5 ms 2936 KB Output is correct
33 Correct 9 ms 3960 KB Output is correct
34 Correct 9 ms 3960 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2556 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2552 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 4 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 4 ms 2552 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 5 ms 2680 KB Output is correct
12 Correct 4 ms 2552 KB Output is correct
13 Correct 4 ms 2552 KB Output is correct
14 Correct 5 ms 2680 KB Output is correct
15 Correct 5 ms 2852 KB Output is correct
16 Correct 5 ms 2680 KB Output is correct
17 Correct 6 ms 2808 KB Output is correct
18 Correct 5 ms 2680 KB Output is correct
19 Correct 4 ms 2680 KB Output is correct
20 Correct 5 ms 2808 KB Output is correct
21 Correct 4 ms 2680 KB Output is correct
22 Correct 6 ms 2684 KB Output is correct
23 Correct 5 ms 2680 KB Output is correct
24 Correct 6 ms 2812 KB Output is correct
25 Correct 6 ms 2808 KB Output is correct
26 Correct 5 ms 2680 KB Output is correct
27 Correct 5 ms 2608 KB Output is correct
28 Correct 5 ms 2936 KB Output is correct
29 Correct 7 ms 3320 KB Output is correct
30 Correct 5 ms 2936 KB Output is correct
31 Correct 7 ms 3064 KB Output is correct
32 Correct 5 ms 2936 KB Output is correct
33 Correct 10 ms 3960 KB Output is correct
34 Correct 9 ms 3964 KB Output is correct
35 Correct 25 ms 5240 KB Output is correct
36 Correct 8 ms 3064 KB Output is correct
37 Correct 35 ms 6008 KB Output is correct
38 Correct 33 ms 6252 KB Output is correct
39 Correct 33 ms 6264 KB Output is correct
40 Correct 33 ms 6348 KB Output is correct
41 Correct 33 ms 6228 KB Output is correct
42 Correct 10 ms 3064 KB Output is correct
43 Correct 10 ms 3064 KB Output is correct
44 Correct 10 ms 3164 KB Output is correct
45 Correct 41 ms 8804 KB Output is correct
46 Correct 34 ms 8696 KB Output is correct

Subtask #5
43.0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2552 KB Output is correct
2 Correct 4 ms 2552 KB Output is correct
3 Correct 4 ms 2592 KB Output is correct
4 Correct 4 ms 2552 KB Output is correct
5 Correct 5 ms 2552 KB Output is correct
6 Correct 4 ms 2552 KB Output is correct
7 Correct 5 ms 2552 KB Output is correct
8 Correct 4 ms 2552 KB Output is correct
9 Correct 4 ms 2552 KB Output is correct
10 Correct 4 ms 2680 KB Output is correct
11 Correct 5 ms 2680 KB Output is correct
12 Correct 4 ms 2552 KB Output is correct
13 Correct 4 ms 2552 KB Output is correct
14 Correct 5 ms 2808 KB Output is correct
15 Correct 6 ms 2812 KB Output is correct
16 Correct 6 ms 2552 KB Output is correct
17 Correct 7 ms 2936 KB Output is correct
18 Correct 6 ms 2680 KB Output is correct
19 Correct 5 ms 2680 KB Output is correct
20 Correct 5 ms 2680 KB Output is correct
21 Correct 4 ms 2652 KB Output is correct
22 Correct 5 ms 2680 KB Output is correct
23 Correct 5 ms 2680 KB Output is correct
24 Correct 6 ms 2808 KB Output is correct
25 Correct 6 ms 2808 KB Output is correct
26 Correct 5 ms 2680 KB Output is correct
27 Correct 5 ms 2680 KB Output is correct
28 Correct 5 ms 2936 KB Output is correct
29 Correct 7 ms 3320 KB Output is correct
30 Correct 5 ms 2812 KB Output is correct
31 Correct 6 ms 3064 KB Output is correct
32 Correct 5 ms 2936 KB Output is correct
33 Correct 10 ms 4008 KB Output is correct
34 Correct 9 ms 3960 KB Output is correct
35 Correct 25 ms 5240 KB Output is correct
36 Correct 7 ms 3064 KB Output is correct
37 Correct 28 ms 5932 KB Output is correct
38 Correct 32 ms 6264 KB Output is correct
39 Correct 33 ms 6264 KB Output is correct
40 Correct 33 ms 6264 KB Output is correct
41 Correct 34 ms 6192 KB Output is correct
42 Correct 10 ms 3192 KB Output is correct
43 Correct 10 ms 3064 KB Output is correct
44 Correct 10 ms 3192 KB Output is correct
45 Correct 33 ms 8824 KB Output is correct
46 Correct 35 ms 8696 KB Output is correct
47 Correct 66 ms 13392 KB Output is correct
48 Correct 29 ms 6388 KB Output is correct
49 Correct 25 ms 5368 KB Output is correct
50 Correct 16 ms 4984 KB Output is correct
51 Correct 62 ms 8480 KB Output is correct
52 Correct 54 ms 9020 KB Output is correct
53 Correct 27 ms 6132 KB Output is correct
54 Correct 6 ms 3064 KB Output is correct
55 Correct 8 ms 3444 KB Output is correct
56 Correct 21 ms 5348 KB Output is correct
57 Correct 47 ms 11640 KB Output is correct
58 Correct 14 ms 3952 KB Output is correct
59 Correct 15 ms 4468 KB Output is correct
60 Correct 17 ms 5108 KB Output is correct
61 Correct 16 ms 4472 KB Output is correct
62 Correct 35 ms 9584 KB Output is correct
63 Correct 92 ms 25840 KB Output is correct
64 Correct 102 ms 28788 KB Output is correct
65 Correct 126 ms 38736 KB Output is correct
66 Correct 232 ms 65936 KB Output is correct
67 Correct 226 ms 65864 KB Output is correct