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답안 #246379

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
246379 2020-07-09T01:42:55 Z thebes 고속도로 설계 (CEOI12_highway) C++14
100 / 100
 7 ms 1404 KB 
#include "office.h"
#include <bits/stdc++.h>
using namespace std;

int N, M, i, j;
vector<int> seg, cur, mis;

int main(){
    N = GetN();
    for(j=1,M=N;j<=M;j*=3){
        cur.clear();
        for(i=1;i<=M/j;i++)
            cur.push_back(i*j);
        M -= (M%(3*j));
        while(cur.size()%3){
            seg.push_back(cur.back());
            cur.pop_back();
        }
        for(i=0;i<(int)cur.size();i+=3){
            int res = isOnLine(cur[i],cur[i+1],cur[i+2]);
            if(!res){
                if(j>1){
                    res = isOnLine(cur[i],cur[i+1],cur[i+1]-1);
                    if(res) Answer(cur[i], cur[i+1], cur[i+2], cur[i+2]-1);
                    else Answer(cur[i], cur[i]-1, cur[i+1], cur[i+2]);
                    return 0;
                }
                else{
                    assert(false);
                }
            }
        }
    }
    while(seg.size()>2){
        int sz = (int)seg.size()-1;
        int res = isOnLine(seg[sz-2], seg[sz-1], seg[sz]);
        if(!res){
            if(!isOnLine(seg[sz-2], seg[sz], seg[sz]-1)){
                if(seg[sz-2]-1>seg[sz-1]) Answer(seg[sz-2],seg[sz-2]-1,seg[sz],seg[sz]-1);
                else if(!isOnLine(seg[sz-1],seg[sz],seg[sz]-1)) Answer(seg[sz-2],seg[sz-1],seg[sz],seg[sz]-1);
                else{seg.erase(seg.begin()+sz-1);continue;}
            }
            else Answer(seg[sz-1]-1, seg[sz-1], seg[sz-2], seg[sz]);
            return 0;
        }
        else{
            seg.erase(seg.begin()+sz-1);
            seg.erase(seg.begin()+sz-1);
        }
    }
    Answer(seg[0], seg[0]-1, seg[1], seg[1]-1);
}

Compilation message

office.c: In function 'int isOnLine(int, int, int)':
office.c:85:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     _Fin(0, "Protocol error");
                             ^
office.c:88:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     _Fin(0, "Protocol error");
                             ^
office.c:92:37: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     _Fin(false, "Too many questions");
                                     ^
office.c:83:7: warning: unused variable 'i' [-Wunused-variable]
   int i;
       ^
office.c: In function 'void Answer(int, int, int, int)':
office.c:123:29: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
     _Fin(0, "Protocol error");
                             ^
office.c:128:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
       if( (-_Apa[na1]==_N-3) && (na2!=na1) && (nb2!=na1) ||
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:130:30: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
          _Fin(true, "Correct");
                              ^
office.c:132:36: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
          _Fin(false, "Wrong answer");
                                    ^
office.c:134:44: warning: suggest parentheses around '&&' within '||' [-Wparentheses]
       if( (-_Apa[na2]==_N-3) && (na1!=na2) && (nb1!=na2) ||
           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~
office.c:136:30: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
          _Fin(true, "Correct");
                              ^
office.c:138:36: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
          _Fin(false, "Wrong answer");
                                    ^
office.c:140:33: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
       _Fin(false, "Wrong answer");
                                 ^
office.c:142:23: warning: ISO C++ forbids converting a string constant to 'char*' [-Wwrite-strings]
   _Fin(true, "Correct");
                       ^
office.c:120:27: warning: unused variable 'pont' [-Wunused-variable]
   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]
     scanf("%d", &_N);
     ~~~~~^~~~~~~~~~~

Subtask #1
100.0 / 100.0

# 결과 실행 시간 메모리 Grader output
1 Correct 5 ms 256 KB Output is correct - 20 queries, 4 points
2 Correct 5 ms 256 KB Output is correct - 10 queries, 4 points
3 Correct 5 ms 384 KB Output is correct - 155 queries, 4 points
4 Correct 5 ms 384 KB Output is correct - 200 queries, 4 points
5 Correct 5 ms 384 KB Output is correct - 251 queries, 4 points
6 Correct 4 ms 384 KB Output is correct - 302 queries, 4 points
7 Correct 4 ms 384 KB Output is correct - 350 queries, 4 points
8 Correct 5 ms 384 KB Output is correct - 400 queries, 4 points
9 Correct 5 ms 384 KB Output is correct - 449 queries, 4 points
10 Correct 5 ms 384 KB Output is correct - 500 queries, 4 points
11 Correct 5 ms 384 KB Output is correct - 1001 queries, 4 points
12 Correct 5 ms 384 KB Output is correct - 1001 queries, 4 points
13 Correct 5 ms 384 KB Output is correct - 1502 queries, 4 points
14 Correct 5 ms 436 KB Output is correct - 2003 queries, 4 points
15 Correct 5 ms 384 KB Output is correct - 2503 queries, 4 points
16 Correct 4 ms 384 KB Output is correct - 803 queries, 4 points
17 Correct 5 ms 384 KB Output is correct - 854 queries, 4 points
18 Correct 5 ms 384 KB Output is correct - 899 queries, 4 points
19 Correct 5 ms 640 KB Output is correct - 12706 queries, 4 points
20 Correct 6 ms 768 KB Output is correct - 14999 queries, 4 points
21 Correct 5 ms 896 KB Output is correct - 20060 queries, 4 points
22 Correct 6 ms 896 KB Output is correct - 28061 queries, 4 points
23 Correct 6 ms 1276 KB Output is correct - 33889 queries, 4 points
24 Correct 7 ms 1276 KB Output is correct - 40943 queries, 4 points
25 Correct 7 ms 1404 KB Output is correct - 49999 queries, 4 points