oj.uz

Submission #706579

# Submission time Handle Problem Language Result Execution time Memory
706579 2023-03-07T05:26:58 Z guagua0407 Roads (CEOI20_roads) C++17
15 / 100
 16 ms 2080 KB 
#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end() 
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}
#define pll pair<ll,ll>

int main() {_
    //setIO("wayne");
    int n;
    cin>>n;
    pair<pll,pll> num[n];
    for(int i=0;i<n;i++){
        int a,b,c,d;
        cin>>a>>b>>c>>d;
        num[i]={{a,b},{c,d}};
        if(num[i].f>num[i].s) swap(num[i].f,num[i].s);
    }
    sort(num,num+n);
    for(int i=0;i<n-1;i++){
        cout<<num[i].s.f<<' '<<num[i].s.s<<' '<<num[i+1].f.f<<' '<<num[i+1].f.s<<'\n';
    }
    return 0;
}
//maybe its multiset not set

Compilation message

roads.cpp: In function 'void setIO(std::string)':
roads.cpp:12:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
roads.cpp:13:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 0.0

# Verdict Execution time Memory Grader output
1 Failed 0 ms 212 KB Condition failed: "!Cross(S[*pi], S[*pa])"
2 Halted 0 ms 0 KB -

Subtask #2
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 9 ms 1100 KB Output is correct
5 Correct 14 ms 2032 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 7 ms 1108 KB Output is correct
5 Correct 16 ms 2076 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Failed 1 ms 212 KB Condition failed: "!Cross(S[*pi], S[*pa])"
8 Halted 0 ms 0 KB -

Subtask #4
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 7 ms 1096 KB Output is correct
5 Correct 14 ms 2080 KB Output is correct
6 Failed 0 ms 212 KB Condition failed: "!Cross(S[*pi], S[*pa])"
7 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Failed 0 ms 212 KB Condition failed: "!Cross(S[*pi], S[*pa])"
2 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# Verdict Execution time Memory Grader output
1 Failed 0 ms 212 KB Condition failed: "!Cross(S[*pi], S[*pa])"
2 Halted 0 ms 0 KB -