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Submission #995496

# Submission time Handle Problem Language Result Execution time Memory
995496 2024-06-09T07:25:56 Z Baytoro Jakarta Skyscrapers (APIO15_skyscraper) C++17
57 / 100
 1000 ms 2444 KB 
#include <bits/stdc++.h>
using namespace std;
#define fr first
#define sc second
#define pb push_back
//#define int long long 
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
void fopn(string name){
	freopen((name+".in").c_str(),"r",stdin);
	freopen((name+".out").c_str(),"w",stdout);
}
#define ll long long
const int N=3e4+5;
vector<int> g[N];
bool used[N];
int dist[N];
int n,m;
void solve(){
	int n,m;cin>>n>>m;
	vector<int> b(m),p(m);
	for(int i=0;i<N;i++) dist[i]=1e9;
	for(int i=0;i<m;i++){
		cin>>b[i]>>p[i];
		g[b[i]].pb(p[i]);
	}
	int node=b[0];
	dist[node]=0;
	while(!used[b[1]] && node!=-1){
		used[node]=1;
		for(auto it: g[node]){
			for(int j=1;node+j*it<n;j++){
				dist[node+j*it]=min(dist[node+j*it],dist[node]+j);
			}
			for(int j=1;node-j*it>=0;j++){
				dist[node-j*it]=min(dist[node-j*it],dist[node]+j);
			}
		}
		node=-1;
		for(int i=0;i<n;i++){
			if(used[i]) continue;
			if(dist[i]==1e9) continue;
			if(node==-1 || dist[node]>dist[i]) node=i;
		}
	}
	if(dist[b[1]]==1e9) dist[b[1]]=-1;
	cout<<dist[b[1]];
}
signed main(){
	//fopn("paint");
	int t=1;//cin>>t;
	while(t--) solve();
}

Compilation message

skyscraper.cpp: In function 'void fopn(std::string)':
skyscraper.cpp:10:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  freopen((name+".in").c_str(),"r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:11:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |  freopen((name+".out").c_str(),"w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1112 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1148 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 1116 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1112 KB Output is correct
12 Correct 2 ms 1116 KB Output is correct
13 Correct 2 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 1 ms 1116 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1112 KB Output is correct
8 Correct 1 ms 1368 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1368 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1156 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 2 ms 1116 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 10 ms 1112 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 4 ms 1116 KB Output is correct
24 Correct 7 ms 1116 KB Output is correct
25 Correct 2 ms 1116 KB Output is correct
26 Correct 6 ms 1312 KB Output is correct
27 Correct 7 ms 1112 KB Output is correct
28 Correct 5 ms 1348 KB Output is correct
29 Correct 7 ms 1116 KB Output is correct
30 Correct 7 ms 1268 KB Output is correct
31 Correct 7 ms 1116 KB Output is correct
32 Correct 7 ms 1272 KB Output is correct
33 Correct 7 ms 1116 KB Output is correct
34 Correct 7 ms 1116 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1112 KB Output is correct
2 Correct 1 ms 1112 KB Output is correct
3 Correct 1 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 0 ms 1116 KB Output is correct
6 Correct 1 ms 1116 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 1 ms 1116 KB Output is correct
9 Correct 0 ms 1116 KB Output is correct
10 Correct 1 ms 1116 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1116 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 2 ms 1312 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 11 ms 1164 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 4 ms 1112 KB Output is correct
24 Correct 6 ms 1116 KB Output is correct
25 Correct 2 ms 1116 KB Output is correct
26 Correct 3 ms 1116 KB Output is correct
27 Correct 6 ms 1316 KB Output is correct
28 Correct 6 ms 1112 KB Output is correct
29 Correct 7 ms 1116 KB Output is correct
30 Correct 7 ms 1116 KB Output is correct
31 Correct 7 ms 1116 KB Output is correct
32 Correct 6 ms 1276 KB Output is correct
33 Correct 7 ms 1116 KB Output is correct
34 Correct 7 ms 1304 KB Output is correct
35 Correct 15 ms 1884 KB Output is correct
36 Correct 3 ms 1372 KB Output is correct
37 Correct 11 ms 1572 KB Output is correct
38 Correct 13 ms 1944 KB Output is correct
39 Correct 10 ms 1884 KB Output is correct
40 Correct 10 ms 1808 KB Output is correct
41 Correct 11 ms 1884 KB Output is correct
42 Correct 10 ms 1944 KB Output is correct
43 Correct 50 ms 1960 KB Output is correct
44 Correct 62 ms 1884 KB Output is correct
45 Correct 14 ms 1884 KB Output is correct
46 Correct 14 ms 1916 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 1116 KB Output is correct
2 Correct 0 ms 1116 KB Output is correct
3 Correct 0 ms 1116 KB Output is correct
4 Correct 1 ms 1116 KB Output is correct
5 Correct 1 ms 1120 KB Output is correct
6 Correct 1 ms 1368 KB Output is correct
7 Correct 1 ms 1116 KB Output is correct
8 Correct 0 ms 1116 KB Output is correct
9 Correct 1 ms 1116 KB Output is correct
10 Correct 1 ms 1144 KB Output is correct
11 Correct 1 ms 1116 KB Output is correct
12 Correct 1 ms 1112 KB Output is correct
13 Correct 1 ms 1116 KB Output is correct
14 Correct 1 ms 1116 KB Output is correct
15 Correct 1 ms 1116 KB Output is correct
16 Correct 1 ms 1116 KB Output is correct
17 Correct 2 ms 1116 KB Output is correct
18 Correct 1 ms 1116 KB Output is correct
19 Correct 1 ms 1116 KB Output is correct
20 Correct 10 ms 1116 KB Output is correct
21 Correct 1 ms 1116 KB Output is correct
22 Correct 1 ms 1116 KB Output is correct
23 Correct 3 ms 1116 KB Output is correct
24 Correct 5 ms 1116 KB Output is correct
25 Correct 2 ms 1116 KB Output is correct
26 Correct 4 ms 1160 KB Output is correct
27 Correct 6 ms 1116 KB Output is correct
28 Correct 4 ms 1116 KB Output is correct
29 Correct 7 ms 1280 KB Output is correct
30 Correct 7 ms 1112 KB Output is correct
31 Correct 7 ms 1116 KB Output is correct
32 Correct 7 ms 1116 KB Output is correct
33 Correct 8 ms 1116 KB Output is correct
34 Correct 7 ms 1300 KB Output is correct
35 Correct 11 ms 1880 KB Output is correct
36 Correct 3 ms 1372 KB Output is correct
37 Correct 10 ms 1672 KB Output is correct
38 Correct 12 ms 1884 KB Output is correct
39 Correct 15 ms 1884 KB Output is correct
40 Correct 10 ms 1884 KB Output is correct
41 Correct 14 ms 1884 KB Output is correct
42 Correct 10 ms 1884 KB Output is correct
43 Correct 56 ms 1820 KB Output is correct
44 Correct 52 ms 1952 KB Output is correct
45 Correct 15 ms 1880 KB Output is correct
46 Correct 15 ms 1884 KB Output is correct
47 Correct 133 ms 2008 KB Output is correct
48 Correct 9 ms 2140 KB Output is correct
49 Correct 8 ms 1932 KB Output is correct
50 Correct 7 ms 1884 KB Output is correct
51 Execution timed out 1096 ms 2444 KB Time limit exceeded
52 Halted 0 ms 0 KB -