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Submission #484291

# Submission time Handle Problem Language Result Execution time Memory
484291 2021-11-02T21:49:24 Z MilosMilutinovic Jakarta Skyscrapers (APIO15_skyscraper) C++14
57 / 100
 1000 ms 4216 KB 
#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,n) for (int i=a;i<n;i++)
#define per(i,a,n) for (int i=n-1;i>=a;i--)
#define pb push_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((int)(x).size())
typedef vector<int> VI;
typedef long long ll;
typedef pair<int,int> PII;
typedef double db;
mt19937 mrand(random_device{}());
const ll mod=1000000007;
int rnd(int x) { return mrand() % x;}
ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;}
ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;}
// head

const int N=30100;
int n,m,b[N],p[N];
ll d[N];
VI qs[N];
int main() {
	scanf("%d%d",&n,&m);
	rep(i,0,m) {
		scanf("%d%d",b+i,p+i);
		qs[b[i]].pb(p[i]);
	}
	rep(i,0,n) d[i]=(1LL<<59);
	priority_queue<pair<ll,int>> q;
	q.push(mp(0,b[0])); d[b[0]]=0;
	while (SZ(q)) {
		auto x=q.top(); q.pop();
		if (d[x.se]<-x.fi) continue;
		for (int j:qs[x.se]) {
			for (int u=x.se-j;u>=0;u-=j) {
				if (d[u]>d[x.se]+(x.se-u)/j) {
					d[u]=d[x.se]+(x.se-u)/j;
					q.push(mp(-d[u],u));
				}
			}
			for (int u=x.se+j;u<n;u+=j) {
				if (d[u]>d[x.se]+(u-x.se)/j) {
					d[u]=d[x.se]+(u-x.se)/j;
					q.push(mp(-d[u],u));
				}
			}
		}
	}
	if (d[b[1]]==(1LL<<59)) printf("-1");
	else printf("%lld",d[b[1]]);
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:27:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   27 |  scanf("%d%d",&n,&m);
      |  ~~~~~^~~~~~~~~~~~~~
skyscraper.cpp:29:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |   scanf("%d%d",b+i,p+i);
      |   ~~~~~^~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 1 ms 1100 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 25 ms 1172 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 1000 KB Output is correct
23 Correct 1 ms 972 KB Output is correct
24 Correct 2 ms 1100 KB Output is correct
25 Correct 2 ms 1100 KB Output is correct
26 Correct 24 ms 1088 KB Output is correct
27 Correct 22 ms 1092 KB Output is correct
28 Correct 1 ms 1100 KB Output is correct
29 Correct 2 ms 1228 KB Output is correct
30 Correct 2 ms 1228 KB Output is correct
31 Correct 2 ms 1228 KB Output is correct
32 Correct 1 ms 1228 KB Output is correct
33 Correct 3 ms 1228 KB Output is correct
34 Correct 2 ms 1356 KB Output is correct

Subtask #4
21.0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 916 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 1 ms 972 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 972 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 1 ms 1100 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 25 ms 1100 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 972 KB Output is correct
24 Correct 2 ms 1100 KB Output is correct
25 Correct 2 ms 1100 KB Output is correct
26 Correct 24 ms 1092 KB Output is correct
27 Correct 22 ms 1084 KB Output is correct
28 Correct 1 ms 1100 KB Output is correct
29 Correct 2 ms 1228 KB Output is correct
30 Correct 1 ms 1228 KB Output is correct
31 Correct 2 ms 1228 KB Output is correct
32 Correct 1 ms 1228 KB Output is correct
33 Correct 2 ms 1228 KB Output is correct
34 Correct 2 ms 1356 KB Output is correct
35 Correct 6 ms 1504 KB Output is correct
36 Correct 2 ms 1048 KB Output is correct
37 Correct 6 ms 1484 KB Output is correct
38 Correct 8 ms 1600 KB Output is correct
39 Correct 8 ms 1612 KB Output is correct
40 Correct 10 ms 1628 KB Output is correct
41 Correct 9 ms 1656 KB Output is correct
42 Correct 357 ms 1484 KB Output is correct
43 Correct 354 ms 1484 KB Output is correct
44 Correct 358 ms 1404 KB Output is correct
45 Correct 8 ms 1612 KB Output is correct
46 Correct 8 ms 1700 KB Output is correct

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 972 KB Output is correct
2 Correct 1 ms 972 KB Output is correct
3 Correct 1 ms 972 KB Output is correct
4 Correct 1 ms 972 KB Output is correct
5 Correct 1 ms 972 KB Output is correct
6 Correct 1 ms 972 KB Output is correct
7 Correct 1 ms 972 KB Output is correct
8 Correct 1 ms 972 KB Output is correct
9 Correct 1 ms 972 KB Output is correct
10 Correct 1 ms 972 KB Output is correct
11 Correct 2 ms 972 KB Output is correct
12 Correct 2 ms 972 KB Output is correct
13 Correct 2 ms 972 KB Output is correct
14 Correct 1 ms 972 KB Output is correct
15 Correct 1 ms 1056 KB Output is correct
16 Correct 1 ms 972 KB Output is correct
17 Correct 2 ms 1100 KB Output is correct
18 Correct 1 ms 972 KB Output is correct
19 Correct 1 ms 972 KB Output is correct
20 Correct 25 ms 1100 KB Output is correct
21 Correct 1 ms 972 KB Output is correct
22 Correct 1 ms 972 KB Output is correct
23 Correct 1 ms 972 KB Output is correct
24 Correct 1 ms 1100 KB Output is correct
25 Correct 2 ms 1100 KB Output is correct
26 Correct 22 ms 972 KB Output is correct
27 Correct 20 ms 1084 KB Output is correct
28 Correct 1 ms 1100 KB Output is correct
29 Correct 2 ms 1228 KB Output is correct
30 Correct 2 ms 1228 KB Output is correct
31 Correct 1 ms 1228 KB Output is correct
32 Correct 1 ms 1228 KB Output is correct
33 Correct 3 ms 1228 KB Output is correct
34 Correct 3 ms 1356 KB Output is correct
35 Correct 7 ms 1540 KB Output is correct
36 Correct 3 ms 1100 KB Output is correct
37 Correct 7 ms 1484 KB Output is correct
38 Correct 8 ms 1612 KB Output is correct
39 Correct 8 ms 1620 KB Output is correct
40 Correct 9 ms 1716 KB Output is correct
41 Correct 8 ms 1612 KB Output is correct
42 Correct 353 ms 1484 KB Output is correct
43 Correct 351 ms 1468 KB Output is correct
44 Correct 364 ms 1484 KB Output is correct
45 Correct 8 ms 1612 KB Output is correct
46 Correct 8 ms 1612 KB Output is correct
47 Correct 20 ms 2800 KB Output is correct
48 Correct 6 ms 1740 KB Output is correct
49 Correct 6 ms 1732 KB Output is correct
50 Correct 4 ms 1612 KB Output is correct
51 Correct 25 ms 4216 KB Output is correct
52 Correct 24 ms 3144 KB Output is correct
53 Correct 14 ms 3144 KB Output is correct
54 Correct 2 ms 1612 KB Output is correct
55 Correct 3 ms 1612 KB Output is correct
56 Execution timed out 1087 ms 3016 KB Time limit exceeded
57 Halted 0 ms 0 KB -