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Submission #1079018

# Submission time Handle Problem Language Result Execution time Memory
1079018 2024-08-28T09:28:48 Z anton Tiles (BOI24_tiles) C++17
0 / 100
 381 ms 1048576 KB 
#include<bits/stdc++.h>

using namespace std;
#define int long long
#define pt complex<int>
#define pii pair<int, int>
int N, M;
vector<pt> points; 
signed main(){
    cin>>N>>M;
    int min_y = 1e18, max_y= -1e18;

    vector<pii> col_range(M+1, {1e18, -1e18});
    for(int i = 0; i<N; i++){
        int a, b;
        cin>>a>>b;
        points.push_back({a, b});
    }

    pt prev= points.back();
    for(int i = 0; i<N; i++){
        pt edge = points[i]-prev;

        if(edge.imag() == 0){
            pii range = {min(points[i].real(), prev.real()), max(points[i].real(), prev.real())};
            for(int i = range.first; i<range.second; i++){
                col_range[i].first = min(col_range[i].first, points[i].imag());
                col_range[i].second = max(col_range[i].second, points[i].imag());
            }
        }
        prev=  points[i];
    }

    int k =-1;
    bool ok = true;
    while(ok && k<=M-2){

        if((col_range[k+1].second-col_range[k+1].first)%2  != 0){
            ok = false;
        }
        if(col_range[k+1] != col_range[k+2]){
            ok = false;
        }
        if(ok){
            k+=2;
        }
    }
    cout<<k+1<<endl;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:11:9: warning: unused variable 'min_y' [-Wunused-variable]
   11 |     int min_y = 1e18, max_y= -1e18;
      |         ^~~~~
Main.cpp:11:23: warning: unused variable 'max_y' [-Wunused-variable]
   11 |     int min_y = 1e18, max_y= -1e18;
      |                       ^~~~~

Subtask #1
0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 352 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 352 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #3
0 / 11.0

# Verdict Execution time Memory Grader output
1 Incorrect 2 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 348 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 22.0

# Verdict Execution time Memory Grader output
1 Runtime error 378 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #6
0 / 25.0

# Verdict Execution time Memory Grader output
1 Runtime error 381 ms 1048576 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Runtime error 352 ms 1048576 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -