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Submission #289864

# Submission time Handle Problem Language Result Execution time Memory
289864 2020-09-03T07:32:19 Z 반딧불(#5785) Hamburg Steak (JOI20_hamburg) C++17
2 / 100
 91 ms 1912 KB 
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

int n, k;
int l[100002], dd[100002], r[100002], u[100002];
int xMin = 0, xMax = 1e9, yMin = 0, yMax = 1e9;

int main(){
    scanf("%d %d", &n, &k);
    for(int i=1; i<=n; i++){
        scanf("%d %d %d %d", &l[i], &dd[i], &r[i], &u[i]);
        xMin = max(xMin, l[i]);
        xMax = min(xMax, r[i]);
        yMin = max(yMin, dd[i]);
        yMax = min(yMax, u[i]);
    }
    if(k==1) printf("%d %d", xMin, yMin);
    else{
        vector<pair<int, int> > v {make_pair(xMin, yMin), make_pair(xMin, yMax), make_pair(xMax, yMin), make_pair(xMax, yMax)};

        for(int d=0; d<16; d++){
            if(__builtin_popcount(d) > k) continue;
            int sum = 0;
            for(int i=1; i<=n; i++){
                for(int j=0; j<4; j++){
                    if(!(d&(1<<j))) continue;
                    if(l[i] <= v[j].first && v[j].first <= r[i] && dd[i] <= v[j].second && v[j].second <= u[i]){
                        sum++;
                        break;
                    }
                }
            }
            if(sum == n){
                int tmp = 0;
                for(int i=0; i<4; i++){
                    if(!(d&(1<<i))) continue;
                    printf("%d %d\n", v[i].first, v[i].second);
                    tmp = i;
                }
                for(int i=__builtin_popcount(d); i<k; i++) printf("%d %d\n", v[tmp].first, v[tmp].second);
                break;
            }
        }
    }
}

Compilation message

hamburg.cpp: In function 'int main()':
hamburg.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   12 |     scanf("%d %d", &n, &k);
      |     ~~~~~^~~~~~~~~~~~~~~~~
hamburg.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   14 |         scanf("%d %d %d %d", &l[i], &dd[i], &r[i], &u[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
1.0 / 1.0

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

Subtask #2
1.0 / 1.0

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

Subtask #3
0 / 3.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #4
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 384 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #5
0 / 1.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 3 ms 384 KB Output is correct
5 Execution timed out 75 ms 1852 KB Time limit exceeded (wall clock)
6 Halted 0 ms 0 KB -

Subtask #6
0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 3 ms 384 KB Output is correct
3 Correct 2 ms 384 KB Output is correct
4 Correct 2 ms 384 KB Output is correct
5 Execution timed out 91 ms 1912 KB Time limit exceeded (wall clock)
6 Halted 0 ms 0 KB -

Subtask #7
0 / 6.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 384 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -

Subtask #8
0 / 79.0

# Verdict Execution time Memory Grader output
1 Incorrect 3 ms 384 KB Unexpected end of file - int32 expected
2 Halted 0 ms 0 KB -