oj.uz

Submission #414483

# Submission time Handle Problem Language Result Execution time Memory
414483 2021-05-30T13:20:41 Z ak2006 Highway design (CEOI12_highway) C++14
100 / 100
 2 ms 584 KB 
#include <bits/stdc++.h>
#include "office.h"
using namespace std;
using ll = long long;
using vb = vector<bool>;
using vvb = vector<vb>;
using vi = vector<int>;
using vvi = vector<vi>;
using vl = vector<ll>;
using vvl = vector<vl>;
using vc = vector<char>;
using vvc = vector<vc>;
using vs = vector<string>;
const ll mod = 1e9 + 7,inf = 1e18;
#define pb push_back
#define fast ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
void setIO()
{
    fast;
    #ifndef ONLINE_JUDGE
    freopen("input.txt","r",stdin);
    freopen("outut.txt","w",stdout);
    #endif
}
int main()
{
    //setIO();
    vi l2;
    int n = GetN();
    for (int i = 2;i<n;i+=2){
        if (l2.size() == 2)break;
        if (!isOnLine(1,i,i + 1)){
            if (isOnLine(1,2,i))l2.pb(i + 1);
            else l2.pb(i);
        }
    }
    if (l2.size() != 2){
        assert(l2.size() == 1);
        assert(!isOnLine(1,2,n));
        l2.pb(n);
    }
    Answer(1,2,l2[0],l2[1]);
    return 0;
}

Compilation message

highway.cpp: In function 'void setIO()':
highway.cpp:21:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   21 |     freopen("input.txt","r",stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
highway.cpp:22:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   22 |     freopen("outut.txt","w",stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
office.c: In function 'int isOnLine(int, int, int)':
office.c:85:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
   85 |     _Fin(0, "Protocol error");
      |             ^~~~~~~~~~~~~~~~
office.c:88:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
   88 |     _Fin(0, "Protocol error");
      |             ^~~~~~~~~~~~~~~~
office.c:92:17: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
   92 |     _Fin(false, "Too many questions");
      |                 ^~~~~~~~~~~~~~~~~~~~
office.c:83:7: warning: unused variable 'i' [-Wunused-variable]
   83 |   int i;
      |       ^
office.c: In function 'void Answer(int, int, int, int)':
office.c:123:13: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  123 |     _Fin(0, "Protocol error");
      |             ^~~~~~~~~~~~~~~~
office.c:128:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  128 |       if( (-_Apa[na1]==_N-3) && (na2!=na1) && (nb2!=na1) ||
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:130:21: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  130 |          _Fin(true, "Correct");
      |                     ^~~~~~~~~
office.c:132:22: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  132 |          _Fin(false, "Wrong answer");
      |                      ^~~~~~~~~~~~~~
office.c:134:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
  134 |       if( (-_Apa[na2]==_N-3) && (na1!=na2) && (nb1!=na2) ||
      |           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:136:21: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  136 |          _Fin(true, "Correct");
      |                     ^~~~~~~~~
office.c:138:22: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  138 |          _Fin(false, "Wrong answer");
      |                      ^~~~~~~~~~~~~~
office.c:140:19: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  140 |       _Fin(false, "Wrong answer");
      |                   ^~~~~~~~~~~~~~
office.c:142:14: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
  142 |   _Fin(true, "Correct");
      |              ^~~~~~~~~
office.c:120:27: warning: unused variable 'pont' [-Wunused-variable]
  120 |   int na1, nb1, na2, nb2, pont;
      |                           ^~~~
office.c: In function 'void _doInit()':
office.c:33:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   33 |     scanf("%d", &_N);
      |     ~~~~~^~~~~~~~~~~

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 200 KB Output is correct - 21 queries, 4 points
2 Correct 1 ms 200 KB Output is correct - 11 queries, 4 points
3 Correct 1 ms 200 KB Output is correct - 157 queries, 4 points
4 Correct 1 ms 200 KB Output is correct - 202 queries, 4 points
5 Correct 1 ms 200 KB Output is correct - 252 queries, 4 points
6 Correct 1 ms 200 KB Output is correct - 303 queries, 4 points
7 Correct 1 ms 200 KB Output is correct - 351 queries, 4 points
8 Correct 1 ms 200 KB Output is correct - 401 queries, 4 points
9 Correct 1 ms 200 KB Output is correct - 451 queries, 4 points
10 Correct 1 ms 200 KB Output is correct - 502 queries, 4 points
11 Correct 1 ms 200 KB Output is correct - 1002 queries, 4 points
12 Correct 1 ms 200 KB Output is correct - 1003 queries, 4 points
13 Correct 1 ms 200 KB Output is correct - 1503 queries, 4 points
14 Correct 1 ms 200 KB Output is correct - 2004 queries, 4 points
15 Correct 1 ms 200 KB Output is correct - 2504 queries, 4 points
16 Correct 1 ms 200 KB Output is correct - 805 queries, 4 points
17 Correct 1 ms 200 KB Output is correct - 855 queries, 4 points
18 Correct 1 ms 200 KB Output is correct - 901 queries, 4 points
19 Correct 1 ms 328 KB Output is correct - 12707 queries, 4 points
20 Correct 1 ms 340 KB Output is correct - 15001 queries, 4 points
21 Correct 1 ms 328 KB Output is correct - 20062 queries, 4 points
22 Correct 1 ms 456 KB Output is correct - 28063 queries, 4 points
23 Correct 1 ms 456 KB Output is correct - 33890 queries, 4 points
24 Correct 1 ms 584 KB Output is correct - 40945 queries, 4 points
25 Correct 2 ms 584 KB Output is correct - 50000 queries, 4 points