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Submission #45205

# Submission time Handle Problem Language Result Execution time Memory
45205 2018-04-11T21:03:19 Z ckodser Jakarta Skyscrapers (APIO15_skyscraper) C++14
22 / 100
 303 ms 155232 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=30010;
const ll mod=1e9+7;
const ll inf=1e9+500;
const ll rad=100;
const ll maxm=maxn*(rad)*2+5;

ll b[maxn];
ll p[maxn];
vector<ll> vec[maxn];
vector<pair<ll,short> > ger[maxm];
ll h[maxm];


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));
		}
	}

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

	set<pii> st;
	set<pii> :: iterator it;
	st.insert(mp(1,0));
	while(st.size()){
		it=st.begin();
		ll v=(*it).S;
		ll w=(*it).F;
		st.erase(it);
		if(h[v]==0){
			h[v]=w;
			for(auto e:ger[v]){
				st.insert(mp(e.S+w,e.F));
			}
		}
	}
	if(h[1]==0){
		cout<<-1;
	}else{
		cout<<h[1]-1;
	}
}
/*    
	  .      _______    __    ___     ________      ________       _________     _________   ________
	  .     /       \  |  |  /  /    /        \    |        \     /         \   |        |  |   __   \
	  .    /   _____/  |  | /  /    /    ___   \   |   ___   \   |   _______/   |  ______|  |  |  \   \
	  .   /   /        |  |/  /    /    /   \   \  |  |   \   \  |  (______     |  |_____   |  |__/   /
	  .   |  |         |     /     |   /     \  |  |  |    |  |   \        \    |        |  |      __/
	  .   |  |         |     \     |   \     /  |  |  |    |  |    \______  \   |  ______|  |      \
	  .   \   \_____   |  |\  \    \    \___/   /  |  |___/   /    _______) |   |  |_____   |   |\  \
	  .    \        \  |  | \  \    \          /   |         /    /         /   |        |  |   | \  \
	  .     \_______/  |__|  \__\    \________/    |________/     \________/    |________|  |___|  \__\
 */

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 123 ms 141944 KB Output is correct
2 Correct 113 ms 142184 KB Output is correct
3 Correct 113 ms 142184 KB Output is correct
4 Correct 113 ms 142184 KB Output is correct
5 Correct 116 ms 142452 KB Output is correct
6 Correct 115 ms 142452 KB Output is correct
7 Correct 114 ms 142452 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 112 ms 142452 KB Output is correct
2 Correct 112 ms 142452 KB Output is correct
3 Correct 113 ms 142452 KB Output is correct
4 Correct 115 ms 142452 KB Output is correct
5 Correct 126 ms 142452 KB Output is correct
6 Correct 115 ms 142452 KB Output is correct
7 Correct 124 ms 142452 KB Output is correct
8 Correct 113 ms 142452 KB Output is correct
9 Correct 115 ms 142580 KB Output is correct
10 Correct 117 ms 142924 KB Output is correct
11 Correct 120 ms 143164 KB Output is correct
12 Correct 116 ms 143164 KB Output is correct
13 Correct 116 ms 143164 KB Output is correct
14 Correct 118 ms 143240 KB Output is correct
15 Correct 122 ms 143240 KB Output is correct

Subtask #3
0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 113 ms 143240 KB Output is correct
2 Correct 113 ms 143240 KB Output is correct
3 Correct 113 ms 143240 KB Output is correct
4 Correct 121 ms 143240 KB Output is correct
5 Correct 116 ms 143240 KB Output is correct
6 Correct 112 ms 143240 KB Output is correct
7 Correct 113 ms 143240 KB Output is correct
8 Correct 112 ms 143240 KB Output is correct
9 Correct 112 ms 143240 KB Output is correct
10 Correct 115 ms 143240 KB Output is correct
11 Correct 119 ms 143240 KB Output is correct
12 Correct 130 ms 143240 KB Output is correct
13 Correct 127 ms 143240 KB Output is correct
14 Correct 117 ms 143240 KB Output is correct
15 Correct 122 ms 143240 KB Output is correct
16 Correct 119 ms 143612 KB Output is correct
17 Correct 138 ms 147584 KB Output is correct
18 Correct 159 ms 153164 KB Output is correct
19 Correct 168 ms 154928 KB Output is correct
20 Correct 226 ms 154944 KB Output is correct
21 Correct 124 ms 154944 KB Output is correct
22 Correct 156 ms 154944 KB Output is correct
23 Correct 168 ms 154944 KB Output is correct
24 Incorrect 303 ms 154944 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 123 ms 154944 KB Output is correct
2 Correct 119 ms 154944 KB Output is correct
3 Correct 115 ms 154944 KB Output is correct
4 Correct 113 ms 154944 KB Output is correct
5 Correct 113 ms 154944 KB Output is correct
6 Correct 117 ms 154944 KB Output is correct
7 Correct 114 ms 154944 KB Output is correct
8 Correct 130 ms 154944 KB Output is correct
9 Correct 119 ms 154944 KB Output is correct
10 Correct 124 ms 154944 KB Output is correct
11 Correct 151 ms 154944 KB Output is correct
12 Correct 117 ms 154944 KB Output is correct
13 Correct 121 ms 154944 KB Output is correct
14 Correct 123 ms 154944 KB Output is correct
15 Correct 121 ms 154944 KB Output is correct
16 Correct 119 ms 154944 KB Output is correct
17 Correct 140 ms 154944 KB Output is correct
18 Correct 154 ms 154944 KB Output is correct
19 Correct 162 ms 155040 KB Output is correct
20 Correct 164 ms 155112 KB Output is correct
21 Correct 211 ms 155112 KB Output is correct
22 Correct 153 ms 155112 KB Output is correct
23 Correct 152 ms 155112 KB Output is correct
24 Incorrect 156 ms 155112 KB Output isn't correct
25 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 111 ms 155112 KB Output is correct
2 Correct 112 ms 155112 KB Output is correct
3 Correct 153 ms 155112 KB Output is correct
4 Correct 150 ms 155112 KB Output is correct
5 Correct 114 ms 155112 KB Output is correct
6 Correct 115 ms 155112 KB Output is correct
7 Correct 112 ms 155112 KB Output is correct
8 Correct 113 ms 155112 KB Output is correct
9 Correct 119 ms 155112 KB Output is correct
10 Correct 117 ms 155112 KB Output is correct
11 Correct 124 ms 155112 KB Output is correct
12 Correct 116 ms 155112 KB Output is correct
13 Correct 119 ms 155112 KB Output is correct
14 Correct 121 ms 155112 KB Output is correct
15 Correct 120 ms 155112 KB Output is correct
16 Correct 123 ms 155112 KB Output is correct
17 Correct 138 ms 155112 KB Output is correct
18 Correct 152 ms 155112 KB Output is correct
19 Correct 196 ms 155156 KB Output is correct
20 Correct 160 ms 155232 KB Output is correct
21 Correct 124 ms 155232 KB Output is correct
22 Correct 251 ms 155232 KB Output is correct
23 Correct 165 ms 155232 KB Output is correct
24 Incorrect 179 ms 155232 KB Output isn't correct
25 Halted 0 ms 0 KB -