oj.uz

Submission #231548

# Submission time Handle Problem Language Result Execution time Memory
231548 2020-05-14T00:26:19 Z duality Hamburg Steak (JOI20_hamburg) C++11
6 / 100
 3000 ms 7644 KB 
#define DEBUG 0

#include <bits/stdc++.h>
using namespace std;

#if DEBUG
// basic debugging macros
int __i__,__j__;
#define printLine(l) for(__i__=0;__i__<l;__i__++){cout<<"-";}cout<<endl
#define printLine2(l,c) for(__i__=0;__i__<l;__i__++){cout<<c;}cout<<endl
#define printVar(n) cout<<#n<<": "<<n<<endl
#define printArr(a,l) cout<<#a<<": ";for(__i__=0;__i__<l;__i__++){cout<<a[__i__]<<" ";}cout<<endl
#define print2dArr(a,r,c) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<a[__i__][__j__]<<" ";}cout<<endl;}
#define print2dArr2(a,r,c,l) cout<<#a<<":\n";for(__i__=0;__i__<r;__i__++){for(__j__=0;__j__<c;__j__++){cout<<setw(l)<<setfill(' ')<<a[__i__][__j__]<<" ";}cout<<endl;}

// advanced debugging class
// debug 1,2,'A',"test";
class _Debug {
    public:
        template<typename T>
        _Debug& operator,(T val) {
            cout << val << endl;
            return *this;
        }
};
#define debug _Debug(),
#else
#define printLine(l)
#define printLine2(l,c)
#define printVar(n)
#define printArr(a,l)
#define print2dArr(a,r,c)
#define print2dArr2(a,r,c,l)
#define debug
#endif

// define
#define MAX_VAL 999999999
#define MAX_VAL_2 999999999999999999LL
#define EPS 1e-6
#define mp make_pair
#define pb push_back

// typedef
typedef unsigned int UI;
typedef long long int LLI;
typedef unsigned long long int ULLI;
typedef unsigned short int US;
typedef pair<int,int> pii;
typedef pair<LLI,LLI> plli;
typedef vector<int> vi;
typedef vector<LLI> vlli;
typedef vector<pii> vpii;
typedef vector<plli> vplli;

// ---------- END OF TEMPLATE ----------

int L[200000],D[200000],R[200000],U[200000];
vi xLines,yLines;
int order[200000];
struct rect { int l,d,r,u; };
vector<rect> ans;
int main() {
    int i;
    int N,K;
    scanf("%d %d",&N,&K);
    for (i = 0; i < N; i++) {
        scanf("%d %d %d %d",&L[i],&D[i],&R[i],&U[i]);
        xLines.pb(L[i]),xLines.pb(R[i]+1);
        yLines.pb(D[i]),yLines.pb(U[i]+1);
    }
    sort(xLines.begin(),xLines.end());
    xLines.resize(unique(xLines.begin(),xLines.end())-xLines.begin());
    sort(yLines.begin(),yLines.end());
    yLines.resize(unique(yLines.begin(),yLines.end())-yLines.begin());
    for (i = 0; i < N; i++) {
        L[i] = lower_bound(xLines.begin(),xLines.end(),L[i])-xLines.begin();
        D[i] = lower_bound(yLines.begin(),yLines.end(),D[i])-yLines.begin();
        R[i] = lower_bound(xLines.begin(),xLines.end(),R[i]+1)-xLines.begin()-1;
        U[i] = lower_bound(yLines.begin(),yLines.end(),U[i]+1)-yLines.begin()-1;
    }

    int j;
    for (i = 0; i < N; i++) order[i] = i;
    while (1) {
        random_shuffle(order,order+N);
        for (i = 0; i < N; i++) {
            int u = order[i];
            for (j = 0; j < ans.size(); j++) {
                if ((L[u] > ans[j].r) || (R[u] < ans[j].l) || (D[u] > ans[j].u) || (U[u] < ans[j].d)) continue;
                else {
                    ans[j].l = max(ans[j].l,L[u]);
                    ans[j].d = max(ans[j].d,D[u]);
                    ans[j].r = min(ans[j].r,R[u]);
                    ans[j].u = min(ans[j].u,U[u]);
                    break;
                }
            }
            if (j == ans.size()) ans.pb((rect){L[u],D[u],R[u],U[u]});
            if (ans.size() > K) break;
        }
        if (i == N) {
            for (j = 0; j < K; j++) {
                if (j < ans.size()) printf("%d %d\n",xLines[ans[j].l],yLines[ans[j].d]);
                else printf("0 0\n");
            }
            return 0;
        }
        else ans.clear();
    }

    return 0;
}

Compilation message

hamburg.cpp: In function 'int main()':
hamburg.cpp:89:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<rect>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   89 |             for (j = 0; j < ans.size(); j++) {
      |                         ~~^~~~~~~~~~~~
hamburg.cpp:99:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<rect>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   99 |             if (j == ans.size()) ans.pb((rect){L[u],D[u],R[u],U[u]});
      |                 ~~^~~~~~~~~~~~~
hamburg.cpp:100:28: warning: comparison of integer expressions of different signedness: 'std::vector<rect>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
  100 |             if (ans.size() > K) break;
      |                 ~~~~~~~~~~~^~~
hamburg.cpp:104:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<rect>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  104 |                 if (j < ans.size()) printf("%d %d\n",xLines[ans[j].l],yLines[ans[j].d]);
      |                     ~~^~~~~~~~~~~~
hamburg.cpp:66:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   66 |     scanf("%d %d",&N,&K);
      |     ~~~~~^~~~~~~~~~~~~~~
hamburg.cpp:68:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   68 |         scanf("%d %d %d %d",&L[i],&D[i],&R[i],&U[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 4 ms 416 KB Output is correct

Subtask #2
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct

Subtask #3
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 78 ms 384 KB Output is correct
9 Correct 8 ms 384 KB Output is correct
10 Correct 19 ms 384 KB Output is correct
11 Correct 13 ms 484 KB Output is correct
12 Correct 15 ms 384 KB Output is correct

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 600 ms 476 KB Output is correct
8 Correct 819 ms 384 KB Output is correct
9 Correct 76 ms 384 KB Output is correct
10 Correct 564 ms 508 KB Output is correct
11 Correct 937 ms 508 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 853 ms 476 KB Output is correct
14 Correct 353 ms 384 KB Output is correct
15 Correct 37 ms 384 KB Output is correct
16 Correct 77 ms 384 KB Output is correct
17 Correct 463 ms 384 KB Output is correct
18 Correct 159 ms 504 KB Output is correct
19 Correct 89 ms 504 KB Output is correct
20 Correct 2013 ms 476 KB Output is correct
21 Correct 30 ms 484 KB Output is correct
22 Correct 175 ms 384 KB Output is correct
23 Correct 128 ms 476 KB Output is correct
24 Correct 242 ms 472 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 27 ms 480 KB Output is correct
28 Correct 61 ms 472 KB Output is correct
29 Correct 126 ms 384 KB Output is correct
30 Correct 11 ms 384 KB Output is correct
31 Execution timed out 3054 ms 384 KB Time limit exceeded
32 Halted 0 ms 0 KB -

Subtask #5
1.0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 4 ms 416 KB Output is correct
5 Correct 363 ms 7632 KB Output is correct
6 Correct 379 ms 7568 KB Output is correct
7 Correct 376 ms 7504 KB Output is correct
8 Correct 385 ms 7512 KB Output is correct

Subtask #6
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 6 ms 384 KB Output is correct
4 Correct 6 ms 384 KB Output is correct
5 Correct 972 ms 7644 KB Output is correct
6 Correct 1261 ms 7584 KB Output is correct
7 Execution timed out 3034 ms 7628 KB Time limit exceeded
8 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 3 ms 384 KB Output is correct
4 Correct 4 ms 384 KB Output is correct
5 Correct 3 ms 384 KB Output is correct
6 Correct 4 ms 384 KB Output is correct
7 Correct 3 ms 384 KB Output is correct
8 Correct 78 ms 384 KB Output is correct
9 Correct 8 ms 384 KB Output is correct
10 Correct 19 ms 384 KB Output is correct
11 Correct 13 ms 484 KB Output is correct
12 Correct 15 ms 384 KB Output is correct
13 Correct 2467 ms 7632 KB Output is correct
14 Correct 1345 ms 7628 KB Output is correct
15 Correct 1178 ms 7632 KB Output is correct
16 Execution timed out 3076 ms 7636 KB Time limit exceeded
17 Halted 0 ms 0 KB -

Subtask #8
0 / 79.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 384 KB Output is correct
2 Correct 4 ms 384 KB Output is correct
3 Correct 4 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 3 ms 384 KB Output is correct
7 Correct 600 ms 476 KB Output is correct
8 Correct 819 ms 384 KB Output is correct
9 Correct 76 ms 384 KB Output is correct
10 Correct 564 ms 508 KB Output is correct
11 Correct 937 ms 508 KB Output is correct
12 Correct 4 ms 384 KB Output is correct
13 Correct 853 ms 476 KB Output is correct
14 Correct 353 ms 384 KB Output is correct
15 Correct 37 ms 384 KB Output is correct
16 Correct 77 ms 384 KB Output is correct
17 Correct 463 ms 384 KB Output is correct
18 Correct 159 ms 504 KB Output is correct
19 Correct 89 ms 504 KB Output is correct
20 Correct 2013 ms 476 KB Output is correct
21 Correct 30 ms 484 KB Output is correct
22 Correct 175 ms 384 KB Output is correct
23 Correct 128 ms 476 KB Output is correct
24 Correct 242 ms 472 KB Output is correct
25 Correct 3 ms 384 KB Output is correct
26 Correct 6 ms 384 KB Output is correct
27 Correct 27 ms 480 KB Output is correct
28 Correct 61 ms 472 KB Output is correct
29 Correct 126 ms 384 KB Output is correct
30 Correct 11 ms 384 KB Output is correct
31 Execution timed out 3054 ms 384 KB Time limit exceeded
32 Halted 0 ms 0 KB -