oj.uz

Submission #207091

# Submission time Handle Problem Language Result Execution time Memory
207091 2020-03-06T11:38:28 Z Sa1loum Jakarta Skyscrapers (APIO15_skyscraper) C++14
36 / 100
 547 ms 262148 KB 
#include <bits/stdc++.h>
using namespace std;
#define IO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#define mem(a,b) memset(a, b, sizeof(a))
#define F first
#define S second
#define Si size()
#define pb(x) push_back(x)
typedef double D;
typedef long long ll;
typedef long double ld;
const int MOD=(int)1e9+7,MAX=(int)1e6+10;
ll n,m,b[MAX],p[MAX],vis[MAX];
vector <pair<ll,ll> > v[MAX];
int main()
{
    scanf("%lld%lld",&n,&m);
    ll s,e;
    for (int i=0;i<m;i++) {
        scanf("%lld%lld",&b[i],&p[i]);
        ll d=0;
        if (i==0) s=b[i];
        if (i==1) e=b[i];
        for (int j=b[i],k=b[i];;j+=p[i],k-=p[i]) {
            bool flag=0;
            if (0<=j && j<n) {
                flag=1;
                if (j!=b[i]) {
                    v[b[i]].push_back({j,d});
                }
            }
            if (0<=k && k<n) {
                flag=1;
                if (k!=b[i]) {
                    v[b[i]].push_back({k,d});
                }
            }
            d++;
            if (!flag) break;
        }
    }
    priority_queue <pair<ll,ll>> pq;
    pq.push({0,s});
    while (!pq.empty()) {
        ll x=pq.top().S;
        ll w=-pq.top().F;
        pq.pop();
        if (vis[x]) continue;
        vis[x]=1;
        if (x==e) {printf("%lld\n",w); return 0;}
        for (auto it:v[x]) {
            if (vis[it.F]) continue;
            pq.push({-w-it.S,it.F});
        }
    }
    puts("-1\n");
}

Compilation message

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:17:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%lld%lld",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~~~~
skyscraper.cpp:20:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld%lld",&b[i],&p[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:50:9: warning: 'e' may be used uninitialized in this function [-Wmaybe-uninitialized]
         if (x==e) {printf("%lld\n",w); return 0;}
         ^~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23800 KB Output is correct
2 Correct 19 ms 23672 KB Output is correct
3 Correct 20 ms 23800 KB Output is correct
4 Correct 20 ms 23856 KB Output is correct
5 Correct 23 ms 23804 KB Output is correct
6 Correct 19 ms 23800 KB Output is correct
7 Correct 20 ms 23912 KB Output is correct

Subtask #2
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 23800 KB Output is correct
2 Correct 19 ms 23800 KB Output is correct
3 Correct 20 ms 23800 KB Output is correct
4 Correct 20 ms 23848 KB Output is correct
5 Correct 20 ms 23800 KB Output is correct
6 Correct 19 ms 23800 KB Output is correct
7 Correct 19 ms 23800 KB Output is correct
8 Correct 20 ms 23928 KB Output is correct
9 Correct 20 ms 23800 KB Output is correct
10 Correct 20 ms 23928 KB Output is correct
11 Correct 20 ms 24056 KB Output is correct
12 Correct 26 ms 28132 KB Output is correct
13 Correct 27 ms 28132 KB Output is correct
14 Correct 20 ms 24056 KB Output is correct
15 Correct 20 ms 24056 KB Output is correct

Subtask #3
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 23800 KB Output is correct
2 Correct 19 ms 23800 KB Output is correct
3 Correct 21 ms 23800 KB Output is correct
4 Correct 20 ms 23800 KB Output is correct
5 Correct 20 ms 23800 KB Output is correct
6 Correct 19 ms 23800 KB Output is correct
7 Correct 20 ms 23800 KB Output is correct
8 Correct 19 ms 23800 KB Output is correct
9 Correct 20 ms 23800 KB Output is correct
10 Correct 20 ms 23928 KB Output is correct
11 Correct 20 ms 24056 KB Output is correct
12 Correct 26 ms 28132 KB Output is correct
13 Correct 26 ms 28132 KB Output is correct
14 Correct 20 ms 24056 KB Output is correct
15 Correct 20 ms 24056 KB Output is correct
16 Correct 20 ms 23928 KB Output is correct
17 Correct 21 ms 24696 KB Output is correct
18 Correct 20 ms 23800 KB Output is correct
19 Correct 20 ms 23928 KB Output is correct
20 Correct 528 ms 104528 KB Output is correct
21 Correct 21 ms 23928 KB Output is correct
22 Correct 23 ms 23904 KB Output is correct
23 Correct 20 ms 23928 KB Output is correct
24 Correct 21 ms 24312 KB Output is correct
25 Correct 20 ms 24056 KB Output is correct
26 Correct 120 ms 89888 KB Output is correct
27 Correct 124 ms 89880 KB Output is correct
28 Correct 22 ms 24312 KB Output is correct
29 Correct 31 ms 26420 KB Output is correct
30 Correct 23 ms 24696 KB Output is correct
31 Correct 24 ms 25204 KB Output is correct
32 Correct 23 ms 24696 KB Output is correct
33 Correct 45 ms 28524 KB Output is correct
34 Correct 36 ms 28460 KB Output is correct

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 23800 KB Output is correct
2 Correct 20 ms 23800 KB Output is correct
3 Correct 20 ms 23800 KB Output is correct
4 Correct 19 ms 23800 KB Output is correct
5 Correct 20 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 20 ms 23800 KB Output is correct
8 Correct 20 ms 23800 KB Output is correct
9 Correct 20 ms 23928 KB Output is correct
10 Correct 20 ms 23928 KB Output is correct
11 Correct 21 ms 24056 KB Output is correct
12 Correct 25 ms 28132 KB Output is correct
13 Correct 27 ms 28132 KB Output is correct
14 Correct 21 ms 24056 KB Output is correct
15 Correct 20 ms 24056 KB Output is correct
16 Correct 20 ms 23928 KB Output is correct
17 Correct 22 ms 24696 KB Output is correct
18 Correct 20 ms 23928 KB Output is correct
19 Correct 20 ms 23928 KB Output is correct
20 Correct 547 ms 104528 KB Output is correct
21 Correct 20 ms 23928 KB Output is correct
22 Correct 20 ms 23928 KB Output is correct
23 Correct 21 ms 24056 KB Output is correct
24 Correct 22 ms 24312 KB Output is correct
25 Correct 21 ms 24056 KB Output is correct
26 Correct 121 ms 89888 KB Output is correct
27 Correct 118 ms 89752 KB Output is correct
28 Correct 24 ms 24312 KB Output is correct
29 Correct 33 ms 26420 KB Output is correct
30 Correct 23 ms 24696 KB Output is correct
31 Correct 25 ms 25204 KB Output is correct
32 Correct 23 ms 24696 KB Output is correct
33 Correct 45 ms 28524 KB Output is correct
34 Correct 37 ms 28464 KB Output is correct
35 Correct 35 ms 28548 KB Output is correct
36 Correct 23 ms 24440 KB Output is correct
37 Correct 38 ms 32748 KB Output is correct
38 Correct 42 ms 31720 KB Output is correct
39 Correct 39 ms 29816 KB Output is correct
40 Correct 37 ms 30196 KB Output is correct
41 Correct 44 ms 31472 KB Output is correct
42 Runtime error 343 ms 262148 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -

Subtask #5
0 / 43.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 23800 KB Output is correct
2 Correct 20 ms 23800 KB Output is correct
3 Correct 21 ms 23800 KB Output is correct
4 Correct 20 ms 23800 KB Output is correct
5 Correct 20 ms 23800 KB Output is correct
6 Correct 20 ms 23800 KB Output is correct
7 Correct 20 ms 23800 KB Output is correct
8 Correct 21 ms 23800 KB Output is correct
9 Correct 20 ms 23804 KB Output is correct
10 Correct 21 ms 23928 KB Output is correct
11 Correct 20 ms 24056 KB Output is correct
12 Correct 27 ms 28132 KB Output is correct
13 Correct 26 ms 28132 KB Output is correct
14 Correct 21 ms 24056 KB Output is correct
15 Correct 21 ms 24056 KB Output is correct
16 Correct 21 ms 23888 KB Output is correct
17 Correct 21 ms 24696 KB Output is correct
18 Correct 20 ms 23928 KB Output is correct
19 Correct 20 ms 23928 KB Output is correct
20 Correct 547 ms 104656 KB Output is correct
21 Correct 20 ms 23804 KB Output is correct
22 Correct 20 ms 24056 KB Output is correct
23 Correct 20 ms 24056 KB Output is correct
24 Correct 22 ms 24248 KB Output is correct
25 Correct 21 ms 24056 KB Output is correct
26 Correct 121 ms 89888 KB Output is correct
27 Correct 119 ms 89752 KB Output is correct
28 Correct 23 ms 24312 KB Output is correct
29 Correct 32 ms 26420 KB Output is correct
30 Correct 23 ms 24696 KB Output is correct
31 Correct 25 ms 25204 KB Output is correct
32 Correct 22 ms 24700 KB Output is correct
33 Correct 46 ms 28524 KB Output is correct
34 Correct 37 ms 28432 KB Output is correct
35 Correct 35 ms 28676 KB Output is correct
36 Correct 21 ms 24440 KB Output is correct
37 Correct 37 ms 32748 KB Output is correct
38 Correct 42 ms 31596 KB Output is correct
39 Correct 37 ms 29756 KB Output is correct
40 Correct 36 ms 30192 KB Output is correct
41 Correct 43 ms 31472 KB Output is correct
42 Runtime error 309 ms 262144 KB Execution killed with signal 9 (could be triggered by violating memory limits)
43 Halted 0 ms 0 KB -