Submission #962660

#	Time	Username	Problem	Language	Result	Execution time	Memory
962660		Ice_man	Cave (IOI13_cave)	C++14	Compilation error	0 ms	0 KiB

cave

/**
 ____    ____    ____    __________________    ____    ____    ____
||I ||  ||c ||  ||e ||  ||                ||  ||M ||  ||a ||  ||n ||
||__||  ||__||  ||__||  ||________________||  ||__||  ||__||  ||__||
|/__\|  |/__\|  |/__\|  |/________________\|  |/__\|  |/__\|  |/__\|

*/

#include "cave.h"
#include <map>
#include <iostream>
#include <chrono>
#include <vector>
#include <algorithm>
#include <cstdio>

#define maxn 5005
#define maxn2 205
#define maxlog 20
#define INF 1000000010
#define LINF 1000000000000000005
#define endl '\n'
#define pb(x) push_back(x)
#define X first
#define Y second
#define control cerr<<"passed"<<endl;

#pragma GCC optimize("O3" , "Ofast" , "unroll-loops" , "fast-math")
#pragma GCC target("avx2")

using namespace std;

/**std::chrono::high_resolution_clock::time_point startT, currT;
constexpr double TIME_MULT = 1;

double timePassed()
{
    using namespace std::chrono;
    currT = high_resolution_clock::now();
    double time = duration_cast<duration<double>>(currT - startT).count();
    return time * TIME_MULT;
}*/

typedef pair <int, int> pii;

int a , b , t;
int w[maxn] , s[maxn];

int x[maxn] , y[maxn];
pii pom[maxn];

int used[maxn];

bool help(int m)
{
    for(int i = 0; i <= m; i++)
        if(used[i] == -1)
            used[i] = !used[i];
}



bool up[maxn];


int exploreCave(int N)
{
    for(int i = 0; i < n; i++)
    {
        used[i] = -1;
        up[i] = 0;
    }
    
    int l , r , mid;
    int cur_ans;
    
    for(int i = 0; i < n; i++)
    {
        if(tryCombination(up) == i)
            help(N);
        l = 0;
        r = n - 1;
        cur_ans = -1;
        
        
        while(l < = r)
        {
            mid = (l + r) / 2;
            help(mid);
            int save = tryCombination(up);
            help(mid);
            if(save == i)
            {
                r = mid - 1;
                cur_ans = mid - 1;
            }
            else l = mid + 1;
        }
        
        used[cur_ans] = i;
    }
    
    
    answer(up , used);
}



/**int main()
{

    #ifdef ONLINE_JUDGE /// promeni
        freopen("input.in", "r", stdin);
        freopen("taxi.out", "w", stdout);
    #endif

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    //startT = std::chrono::high_resolution_clock::now();





    return 0;
}*/

Compilation message (stderr)

cave.cpp: In function 'bool help(int)':
cave.cpp:59:1: warning: no return statement in function returning non-void [-Wreturn-type]
   59 | }
      | ^
cave.cpp: At global scope:
cave.cpp:66:5: error: ambiguating new declaration of 'int exploreCave(int)'
   66 | int exploreCave(int N)
      |     ^~~~~~~~~~~
In file included from cave.cpp:9:
cave.h:10:6: note: old declaration 'void exploreCave(int)'
   10 | void exploreCave(int N);
      |      ^~~~~~~~~~~
cave.cpp: In function 'int exploreCave(int)':
cave.cpp:68:24: error: 'n' was not declared in this scope
   68 |     for(int i = 0; i < n; i++)
      |                        ^
cave.cpp:77:24: error: 'n' was not declared in this scope
   77 |     for(int i = 0; i < n; i++)
      |                        ^
cave.cpp:79:27: error: cannot convert 'bool*' to 'int*'
   79 |         if(tryCombination(up) == i)
      |                           ^~
      |                           |
      |                           bool*
In file included from cave.cpp:9:
cave.h:8:24: note:   initializing argument 1 of 'int tryCombination(int*)'
    8 | int tryCombination(int S[]);
      |                    ~~~~^~~
cave.cpp:86:19: error: expected primary-expression before '=' token
   86 |         while(l < = r)
      |                   ^
cave.cpp:90:39: error: cannot convert 'bool*' to 'int*'
   90 |             int save = tryCombination(up);
      |                                       ^~
      |                                       |
      |                                       bool*
In file included from cave.cpp:9:
cave.h:8:24: note:   initializing argument 1 of 'int tryCombination(int*)'
    8 | int tryCombination(int S[]);
      |                    ~~~~^~~
cave.cpp:104:12: error: cannot convert 'bool*' to 'int*'
  104 |     answer(up , used);
      |            ^~
      |            |
      |            bool*
In file included from cave.cpp:9:
cave.h:9:17: note:   initializing argument 1 of 'void answer(int*, int*)'
    9 | void answer(int S[], int D[]);
      |             ~~~~^~~
cave.cpp:105:1: warning: no return statement in function returning non-void [-Wreturn-type]
  105 | }
      | ^