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Submission #45214

# Submission time Handle Problem Language Result Execution time Memory
45214 2018-04-11T21:33:26 Z ckodser Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 262144 KB 
#include<bits/stdc++.h>

#define ll	int 
#define pb push_back
#define mp make_pair
#define ld long double
#define F first
#define S second
#define pii pair<ll,ll> 

using namespace :: std;

const ll maxn=3e4+10;
const ll mod=1e9+7;
const ll inf=1e9+500;
const ll rad=100;
const ll maxm=maxn*(rad)*3+50;

ll b[maxn];
ll p[maxn];
vector<ll> vec[maxn];

ll cn;
vector<pair<ll,bool> > ger[maxm];
bitset<maxm> h;


int main(){

	ll n,m;
	cin>>n>>m;
	for(ll i=0;i<m;i++){
		cin>>b[i]>>p[i];
		vec[b[i]].pb(i);
	}
	for(ll i=0;i<n;i++){
		for(auto v:vec[i]){
			ger[i+m].pb(mp(v,0));
		}
	}	


	for(ll j=1;j<rad;j++){
		for(ll i=0;i<n;i++){
			ger[m+j*n+i].pb(mp(i+m,0));
			if(i>=j){
				ger[m+j*n+i].pb(mp(m+j*n+i-j,1));
			}
		}
	}
	for(ll j=1;j<rad;j++){
		for(ll i=0;i<n;i++){
			ll v=m+rad*n+(j-1)*n+i;
			ger[v].pb(mp(i+m,0));
			if(i+j<n){
				ger[v].pb(mp(v+j,1));
			}
		}
	}
	for(ll i=0;i<m;i++){
		if(p[i]<rad){
			ll v=b[i];
			ger[i].pb(mp(m+n*p[i]+v,0));
			ger[i].pb(mp(m+rad*n+(p[i]-1)*n+v,0));
		}
	}

	cn=m+n*2*rad+1;

	for(ll i=0;i<m;i++){
		if(p[i]>=rad){
			ll mo=cn;
			ger[i].pb(mp(cn,0));
			ger[cn].pb(mp(b[i]+m,0));
			cn++;
			for(ll j=b[i]+p[i];j<n;j+=p[i]){
				ger[cn].pb(mp(j+m,0));
				ger[cn-1].pb(mp(cn,1));
				cn++;
			}
			for(ll j=b[i]-p[i];j>=0;j-=p[i]){
				ger[cn].pb(mp(j+m,0));
				ger[mo].pb(mp(cn,1));
				mo=cn;
				cn++;
			}	
		}		
	}




	deque<pii>dk;
	dk.pb(mp(0,1));
	while(dk.size()){
		ll v=dk.front().F;
		ll w=dk.front().S;
		dk.pop_front();
		if(!h[v]){
			if(v==1){
				cout<<w-1;
				return 0;
			}
			h[v]=1;
			for(auto e:ger[v]){
				if(e.S){
					dk.push_back(mp(e.F,w+1));
				}else{
					dk.push_front(mp(e.F,w));
				}
			}
		}
	}
	cout<<-1;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 165 ms 212600 KB Output is correct
2 Correct 164 ms 212600 KB Output is correct
3 Correct 163 ms 212660 KB Output is correct
4 Correct 168 ms 212660 KB Output is correct
5 Correct 165 ms 212660 KB Output is correct
6 Correct 167 ms 212732 KB Output is correct
7 Correct 166 ms 212732 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 212732 KB Output is correct
2 Correct 165 ms 212744 KB Output is correct
3 Correct 164 ms 212744 KB Output is correct
4 Correct 162 ms 212744 KB Output is correct
5 Correct 163 ms 212744 KB Output is correct
6 Correct 163 ms 212900 KB Output is correct
7 Correct 167 ms 212900 KB Output is correct
8 Correct 166 ms 213096 KB Output is correct
9 Correct 166 ms 213160 KB Output is correct
10 Correct 169 ms 213372 KB Output is correct
11 Correct 173 ms 213500 KB Output is correct
12 Correct 167 ms 213544 KB Output is correct
13 Correct 173 ms 213544 KB Output is correct
14 Correct 206 ms 213544 KB Output is correct
15 Correct 166 ms 213544 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 213544 KB Output is correct
2 Correct 164 ms 213544 KB Output is correct
3 Correct 163 ms 213544 KB Output is correct
4 Correct 167 ms 213544 KB Output is correct
5 Correct 166 ms 213544 KB Output is correct
6 Correct 165 ms 213544 KB Output is correct
7 Correct 166 ms 213544 KB Output is correct
8 Correct 162 ms 213544 KB Output is correct
9 Correct 166 ms 213544 KB Output is correct
10 Correct 176 ms 213544 KB Output is correct
11 Correct 166 ms 213544 KB Output is correct
12 Correct 169 ms 213544 KB Output is correct
13 Correct 167 ms 213544 KB Output is correct
14 Correct 168 ms 213544 KB Output is correct
15 Correct 169 ms 213544 KB Output is correct
16 Correct 170 ms 214012 KB Output is correct
17 Correct 182 ms 217724 KB Output is correct
18 Correct 204 ms 223740 KB Output is correct
19 Correct 210 ms 225200 KB Output is correct
20 Correct 209 ms 225320 KB Output is correct
21 Correct 187 ms 225320 KB Output is correct
22 Correct 206 ms 225320 KB Output is correct
23 Correct 201 ms 225320 KB Output is correct
24 Correct 221 ms 225320 KB Output is correct
25 Correct 215 ms 225620 KB Output is correct
26 Correct 220 ms 225620 KB Output is correct
27 Correct 209 ms 225620 KB Output is correct
28 Correct 228 ms 225736 KB Output is correct
29 Correct 220 ms 225736 KB Output is correct
30 Correct 210 ms 225736 KB Output is correct
31 Correct 214 ms 225736 KB Output is correct
32 Correct 212 ms 225736 KB Output is correct
33 Correct 217 ms 225736 KB Output is correct
34 Correct 216 ms 225736 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 166 ms 225736 KB Output is correct
2 Correct 168 ms 225736 KB Output is correct
3 Correct 163 ms 225736 KB Output is correct
4 Correct 168 ms 225736 KB Output is correct
5 Correct 162 ms 225736 KB Output is correct
6 Correct 170 ms 225736 KB Output is correct
7 Correct 163 ms 225736 KB Output is correct
8 Correct 165 ms 225736 KB Output is correct
9 Correct 165 ms 225736 KB Output is correct
10 Correct 165 ms 225736 KB Output is correct
11 Correct 169 ms 225736 KB Output is correct
12 Correct 168 ms 225736 KB Output is correct
13 Correct 175 ms 225736 KB Output is correct
14 Correct 165 ms 225736 KB Output is correct
15 Correct 168 ms 225736 KB Output is correct
16 Correct 170 ms 225736 KB Output is correct
17 Correct 183 ms 225736 KB Output is correct
18 Correct 205 ms 225736 KB Output is correct
19 Correct 231 ms 225736 KB Output is correct
20 Correct 213 ms 225736 KB Output is correct
21 Correct 172 ms 225736 KB Output is correct
22 Correct 208 ms 225736 KB Output is correct
23 Correct 205 ms 225736 KB Output is correct
24 Correct 211 ms 225736 KB Output is correct
25 Correct 209 ms 225776 KB Output is correct
26 Correct 212 ms 225776 KB Output is correct
27 Correct 215 ms 225776 KB Output is correct
28 Correct 228 ms 226160 KB Output is correct
29 Correct 214 ms 226160 KB Output is correct
30 Correct 223 ms 226160 KB Output is correct
31 Correct 210 ms 226160 KB Output is correct
32 Correct 209 ms 226160 KB Output is correct
33 Correct 220 ms 226160 KB Output is correct
34 Correct 215 ms 226160 KB Output is correct
35 Correct 232 ms 226160 KB Output is correct
36 Correct 197 ms 226160 KB Output is correct
37 Correct 267 ms 229980 KB Output is correct
38 Correct 257 ms 231212 KB Output is correct
39 Correct 250 ms 231460 KB Output is correct
40 Correct 254 ms 231736 KB Output is correct
41 Correct 250 ms 232128 KB Output is correct
42 Correct 230 ms 232128 KB Output is correct
43 Correct 231 ms 232128 KB Output is correct
44 Correct 242 ms 232128 KB Output is correct
45 Correct 342 ms 239216 KB Output is correct
46 Correct 302 ms 239372 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 178 ms 239372 KB Output is correct
2 Correct 169 ms 239372 KB Output is correct
3 Correct 171 ms 239372 KB Output is correct
4 Correct 164 ms 239372 KB Output is correct
5 Correct 162 ms 239372 KB Output is correct
6 Correct 165 ms 239372 KB Output is correct
7 Correct 172 ms 239372 KB Output is correct
8 Correct 163 ms 239372 KB Output is correct
9 Correct 164 ms 239372 KB Output is correct
10 Correct 176 ms 239372 KB Output is correct
11 Correct 178 ms 239372 KB Output is correct
12 Correct 190 ms 239372 KB Output is correct
13 Correct 190 ms 239372 KB Output is correct
14 Correct 167 ms 239372 KB Output is correct
15 Correct 187 ms 239372 KB Output is correct
16 Correct 169 ms 239372 KB Output is correct
17 Correct 213 ms 239372 KB Output is correct
18 Correct 206 ms 239372 KB Output is correct
19 Correct 219 ms 239372 KB Output is correct
20 Correct 220 ms 239372 KB Output is correct
21 Correct 208 ms 239372 KB Output is correct
22 Correct 224 ms 239372 KB Output is correct
23 Correct 232 ms 239372 KB Output is correct
24 Correct 243 ms 239372 KB Output is correct
25 Correct 241 ms 239372 KB Output is correct
26 Correct 237 ms 239372 KB Output is correct
27 Correct 264 ms 239372 KB Output is correct
28 Correct 245 ms 239372 KB Output is correct
29 Correct 240 ms 239372 KB Output is correct
30 Correct 235 ms 239372 KB Output is correct
31 Correct 238 ms 239372 KB Output is correct
32 Correct 245 ms 239372 KB Output is correct
33 Correct 229 ms 239372 KB Output is correct
34 Correct 244 ms 239372 KB Output is correct
35 Correct 264 ms 239372 KB Output is correct
36 Correct 219 ms 239372 KB Output is correct
37 Correct 279 ms 239372 KB Output is correct
38 Correct 293 ms 239372 KB Output is correct
39 Correct 277 ms 239372 KB Output is correct
40 Correct 299 ms 239372 KB Output is correct
41 Correct 301 ms 239372 KB Output is correct
42 Correct 277 ms 239372 KB Output is correct
43 Correct 277 ms 239372 KB Output is correct
44 Correct 248 ms 239372 KB Output is correct
45 Correct 327 ms 241696 KB Output is correct
46 Correct 344 ms 241964 KB Output is correct
47 Execution timed out 1061 ms 262144 KB Time limit exceeded
48 Halted 0 ms 0 KB -