oj.uz

Submission #791426

# Submission time Handle Problem Language Result Execution time Memory
791426 2023-07-24T06:19:18 Z Amylopectin Roads (CEOI20_roads) C++14
15 / 100
 77 ms 8552 KB 
#include <stdio.h>
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
const long long mxn = 1e6 + 10;
struct we
{
    long long xx,yy,xx2,yy2;
    double slo,soo;
};
bool cmp(const struct we &l,const struct we &r)
{
    if(l.soo != r.soo)
        return l.soo < r.soo;
    if(l.xx != r.xx)
        return l.xx < r.xx;
    return l.yy < r.yy;
}
struct we ta[mxn] = {};
int main()
{
    long long i,j,n,m,cn,cm,fn,fm,f,sta = 0;
    double t,p;
    scanf("%lld",&n);
    for(i=0; i<n; i++)
    {
        scanf("%lld %lld %lld %lld",&cn,&cm,&fn,&fm);
        if(cn > fn || (cn == fn && cm > fm))
        {
            f = cn;
            cn = fn;
            fn = f;
            f = cm;
            cm = fm;
            fm = f;
        }
        ta[i] = {cn,cm,fn,fm,0,0};
        if(fn - cn == 0)
        {
            sta = 1;
        }
        else 
        {
            t = fm - cm;
            p = fn - cn;
            ta[i].slo = t / p;
        }
    }
    if(sta == 1)
    {
        for(i=0; i<n; i++)
        {
            ta[i].soo = ta[i].xx;
        }
    }
    else 
    {
        for(i=0; i<n; i++)
        {
            t = ta[i].xx;
            f = ta[i].yy;
            ta[i].soo = f - t * ta[i].slo;
        }
    }
    sort(ta,ta+n,cmp);
    printf("\n");
    for(i=0; i<n-1; i++)
    {
        if(ta[i].soo != ta[i+1].soo)
        {
            printf("%lld %lld %lld %lld\n",ta[i].xx,ta[i].yy,ta[i+1].xx,ta[i+1].yy);
        }
        else 
        {
            printf("%lld %lld %lld %lld\n",ta[i].xx2,ta[i].yy2,ta[i+1].xx,ta[i+1].yy);
        }
    }
    return 0;
}

Compilation message

roads.cpp: In function 'int main()':
roads.cpp:23:17: warning: unused variable 'j' [-Wunused-variable]
   23 |     long long i,j,n,m,cn,cm,fn,fm,f,sta = 0;
      |                 ^
roads.cpp:23:21: warning: unused variable 'm' [-Wunused-variable]
   23 |     long long i,j,n,m,cn,cm,fn,fm,f,sta = 0;
      |                     ^
roads.cpp:25:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   25 |     scanf("%lld",&n);
      |     ~~~~~^~~~~~~~~~~
roads.cpp:28:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   28 |         scanf("%lld %lld %lld %lld",&cn,&cm,&fn,&fm);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 0.0

# Verdict Execution time Memory Grader output
1 Failed 1 ms 212 KB Condition failed: "pf == Sline.end() || !Cross(S[*pa], S[*pf])"
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 1 ms 312 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 8 ms 1364 KB Output is correct
5 Correct 15 ms 2420 KB Output is correct

Subtask #3
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 340 KB Output is correct
4 Correct 8 ms 1340 KB Output is correct
5 Correct 17 ms 2380 KB Output is correct
6 Correct 0 ms 304 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 1 ms 340 KB Output is correct
9 Correct 7 ms 1364 KB Output is correct
10 Failed 77 ms 8552 KB Condition failed: "!Cross(S[*pi], S[*pa])"
11 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 1 ms 212 KB Output is correct
3 Correct 1 ms 316 KB Output is correct
4 Correct 8 ms 1344 KB Output is correct
5 Correct 15 ms 2348 KB Output is correct
6 Failed 1 ms 212 KB Condition failed: "pf == Sline.end() || !Cross(S[*pa], S[*pf])"
7 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

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