Submission #420094

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
420094	2021-06-08 05:44:02	Dymo	Jakarta Skyscrapers (APIO15_skyscraper)	C++14	57 / 100	1002 ms	62088 KiB

skyscraper

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#include<bits/stdc++.h>
using namespace std;
#define ll  int
#define pll pair<ll,ll>
#define ff first
#define ss second
#define pb push_back
#define endl "\n"
const ll maxn=3e4+10;
const ll mod =1e9+7 ;
const ll base=500;
ll b[maxn];
ll p[maxn];
ll dp[maxn][base+3];
bool dd[maxn];
vector<ll> adj[maxn];
vector<ll> adj1[maxn];
int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    if (fopen("t.inp", "r"))
    {
        freopen("test.inp", "r", stdin);
        freopen("test.out", "w", stdout);
 
 
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Compilation message (stderr)

skyscraper.cpp: In function 'int main()':
skyscraper.cpp:29:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   29 |         freopen("test.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:30:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   30 |         freopen("test.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
skyscraper.cpp:54:47: warning: 'st' may be used uninitialized in this function [-Wmaybe-uninitialized]
   54 |     q.push(make_pair(dp[st][0],make_pair(st,0)));
      |                                               ^
skyscraper.cpp:35:8: warning: 'ed' may be used uninitialized in this function [-Wmaybe-uninitialized]
   35 |     ll ed;
      |        ^~

• Subtask 1: 10 / 10
• Subtask 2: 12 / 12
• Subtask 3: 14 / 14
• Subtask 4: 21 / 21
• Subtask 5: 0 / 43