oj.uz

답안 #682461

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
682461 2023-01-16T09:10:26 Z vjudge1 Road Construction (JOI21_road_construction) C++17
32 / 100
 2231 ms 20144 KB 
#include <bits/stdc++.h>
using namespace std;
#include <ext/rope>
using namespace __gnu_cxx;

// #pragma comment(linker, "/stack:2000000000")
// #pragma GCC optimize("Ofast")
// #pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,tune=native")


typedef long long ll;
typedef long double ld;
typedef pair<ll,ll> pll;

#define precise(a) cout<<fixed<<setprecision(a)
#define sz size()
#define ff first
#define ss second
#define all(a) a.begin(),a.end()
#define rall(a) a.rbegin(), a.rend()
#define pb push_back
// t1
const ll mod = ll(1e9)+7; //(b + (a%b)) % b (to mod -1%(10^9+7) correctly in c++ its -1 but its suppose to be 10^9+6
const ll MOD = 998244353;  // (a%mod)*(binpow(b,mod-2,mod) = (a/b)%mod
const ll N = ll(5e5)+10;
const ll K = 17;
const ll inf = 1e18;
const ld eps = 1e-15L;
//const ll B = 316;
ll lcm(ll a, ll b){ return (a / __gcd(a,b)) * b; }
//const ld P = acos(-1.0);

// ll binpow(ll a, ll b, ll m){ ll res=1;a%=m; while(b>0){ if(b&1)res=(res*a)%m; a=(a*a)%m; b/=2; } return res%m;}
ld binpow(ld a, ll b){ ld res=1; while(b>0){ if(b&1)res=(res*a); a=(a*a); b/=2; } return res;}


void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }


void precalc() {
}

ll getdis(ll x1, ll y1, ll x2, ll y2) {
    return abs(x2-x1)+abs(y2-y1);
}

ll mx[N];

bool comp(pll a, pll b) {
    ll x = a.ff, y = b.ff;
    if(abs(x) == abs(y)) {
        x = a.ss, y = b.ss;
        return abs(x)<=abs(y);
    }
    return abs(x)<=abs(y);
}

void Baizho()
{   
    ll n, k; cin>>n>>k;
    pll a[n+11];
    ll sec = 100;
    bool case2 = 1;
    for(ll i=1; i<=n; i++) {
        cin>>a[i].ff>>a[i].ss;
        if(a[i].ss!=0) case2 = 0;
    }
    sort(a+1, a+n+1);
    multiset<ll> st;
    if(n<=1000) {
        vector<ll>vec;
        for(ll i=1; i<=n-1; i++) {
            for(ll j=i+1; j<=n; j++) {
                ll x1 = a[i].ff, y1 = a[i].ss, x2 = a[j].ff, y2 = a[j].ss;
                ll dist = getdis(x1, y1, x2, y2);
                vec.pb(dist);
            }
        }
        sort(all(vec));
        for(ll i=1; i<=k; i++) {
            cout<<vec[i-1]<<"\n";
        }
        return;
    }
    for(ll i=1; i<=n-1; i++) {
        ll p = i;
        for(ll j = i+1; j<=i+sec && j<=n; j++) {
            // cout<<p<<" "<<j<<endl;
            ll x1 = a[p].ff, y1 = a[p].ss, x2 = a[j].ff, y2 = a[j].ss;
            ll dist = getdis(x1, y1, x2, y2);
            st.insert(dist);
            while(st.sz>k) {
                auto x = st.end();
                x--;
                st.erase(x);
            }
        }
    }
    for(auto x : st) cout<<x<<"\n";

    
}

    
int main() {

    // Freopen("div7");
    ios_base::sync_with_stdio(false);   
    cin.tie(0);cout.tie(0); 

    precalc();

    int ttt = 1;
    // cin>>ttt;

    for(int i=1; i<=ttt; i++) { Baizho();}
}

Compilation message

road_construction.cpp: In function 'void Baizho()':
road_construction.cpp:92:24: warning: comparison of integer expressions of different signedness: 'std::multiset<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   92 |             while(st.sz>k) {
      |                   ~~~~~^~
road_construction.cpp:63:10: warning: variable 'case2' set but not used [-Wunused-but-set-variable]
   63 |     bool case2 = 1;
      |          ^~~~~
road_construction.cpp: In function 'void Freopen(std::string)':
road_construction.cpp:37:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                           ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
road_construction.cpp:37:76: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 | void Freopen(string Key){ freopen((Key+".in").c_str(), "r", stdin); freopen((Key+".out").c_str(), "w", stdout); }
      |                                                                     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 6860 KB Output is correct
2 Correct 58 ms 6956 KB Output is correct
3 Correct 36 ms 5036 KB Output is correct
4 Correct 36 ms 5056 KB Output is correct
5 Correct 50 ms 5800 KB Output is correct
6 Correct 17 ms 4556 KB Output is correct

Subtask #2
0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2231 ms 17088 KB Output is correct
2 Correct 2226 ms 20120 KB Output is correct
3 Correct 33 ms 4852 KB Output is correct
4 Incorrect 2041 ms 20144 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 740 ms 4224 KB Output is correct
2 Correct 744 ms 4224 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 738 ms 4224 KB Output is correct
5 Correct 745 ms 4220 KB Output is correct

Subtask #4
20.0 / 20.0

# 결과 실행 시간 메모리 Grader output
1 Correct 740 ms 4224 KB Output is correct
2 Correct 744 ms 4224 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 738 ms 4224 KB Output is correct
5 Correct 745 ms 4220 KB Output is correct
6 Correct 806 ms 9292 KB Output is correct
7 Correct 921 ms 9296 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 792 ms 9296 KB Output is correct
11 Correct 790 ms 7160 KB Output is correct
12 Correct 848 ms 9548 KB Output is correct

Subtask #5
0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 6860 KB Output is correct
2 Correct 58 ms 6956 KB Output is correct
3 Correct 36 ms 5036 KB Output is correct
4 Correct 36 ms 5056 KB Output is correct
5 Correct 50 ms 5800 KB Output is correct
6 Correct 17 ms 4556 KB Output is correct
7 Incorrect 1278 ms 15672 KB Output isn't correct
8 Halted 0 ms 0 KB -

Subtask #6
0 / 35.0

# 결과 실행 시간 메모리 Grader output
1 Correct 56 ms 6860 KB Output is correct
2 Correct 58 ms 6956 KB Output is correct
3 Correct 36 ms 5036 KB Output is correct
4 Correct 36 ms 5056 KB Output is correct
5 Correct 50 ms 5800 KB Output is correct
6 Correct 17 ms 4556 KB Output is correct
7 Correct 2231 ms 17088 KB Output is correct
8 Correct 2226 ms 20120 KB Output is correct
9 Correct 33 ms 4852 KB Output is correct
10 Incorrect 2041 ms 20144 KB Output isn't correct
11 Halted 0 ms 0 KB -