Submission #433956

#	Time	Username	Problem	Language	Result	Execution time	Memory
433956		LouayFarah	Xylophone (JOI18_xylophone)	C++14	Compilation error	0 ms	0 KiB

xylophone

#include "bits/stdc++.h"
#include "xylophone.h"
using namespace std;

#define pb push_back

void solve(int n)
{
    /*orig.resize(n+1);
    for(int i = 1; i<=n; i++)
        cin >> orig[i];*/
    vector<vector<ll>> q(n+1, vector<ll>(n+1, 0));
    for(int i = 1; i<n; i++)
    {
        q[i][i+1] = query(i, i+1);
    }
    for(int i = 1; i<n-1;i++)
    {
        q[i][i+2] = query(i, i+2);
    }


    vector<int> arr(n+1);
    arr[1] = 1;
    for(int i = 1; i<n-1; i++)
    {
        if(q[i][i+2]==q[i][i+1]+q[i+1][i+2])
        {
            arr[i+1] = arr[i];
        }
        else
        {
            arr[i+1]-=arr[i];
        }
    }

    for(int i = 1; i<n; i++)
    {
        arr[i]*=q[i][i+1];
    }

    vector<int> res(n+1);
    res[1] = 1;

    for(int i = 1; i<n; i++)
    {
        res[i+1] = res[i] + arr[i];
    }

    int mini = 1e9;
    for(int i = 1; i<=n; i++)
        mini = min(mini, res[i]);

    for(int i = 1; i<=n; i++)
    {
        res[i]-=mini;
        res[i]--;
    }

    bool flag = true;
    int l = n, r = 1;
    for(int i = 1; i<=n; i++)
    {
        if(res[i]<=0)
        {
            flag = false;
            break;
        }

        if(res[i]==1)
            l = i;
        if(res[i]==n)
            r = i;
    }

    if(l>=r)
        flag = false;
    if(flag)
    {
        for(int i = 1; i<=n; i++)
            answer(i, res[i]);
    }
    else
    {
        //res.assign(n+1, 1);
        for(int i = 1; i<n; i++)
            res[i+1] = res[i] - arr[i];
        int mini = 1e9;
        for(int i = 1; i<=n; i++)
            mini = min(mini, res[i]);

        for(int i = 1; i<=n; i++)
        {
            res[i]-=mini;
            res[i]--;
        }

        for(int i = 1; i<=n; i++)
            mini = min(mini, res[i]);

        int dif = 1 - mini;
        for(int i = 1; i<=n; i++)
            res[i]+=dif;
        for(int i = 1; i<=n; i++)
            answer(i, res[i]);
    }
}

Compilation message (stderr)

xylophone.cpp: In function 'void solve(int)':
xylophone.cpp:12:19: error: 'll' was not declared in this scope
   12 |     vector<vector<ll>> q(n+1, vector<ll>(n+1, 0));
      |                   ^~
xylophone.cpp:12:19: error: template argument 1 is invalid
xylophone.cpp:12:19: error: template argument 2 is invalid
xylophone.cpp:12:21: error: template argument 1 is invalid
   12 |     vector<vector<ll>> q(n+1, vector<ll>(n+1, 0));
      |                     ^~
xylophone.cpp:12:21: error: template argument 2 is invalid
xylophone.cpp:12:40: error: template argument 2 is invalid
   12 |     vector<vector<ll>> q(n+1, vector<ll>(n+1, 0));
      |                                        ^
xylophone.cpp:12:49: error: expression list treated as compound expression in initializer [-fpermissive]
   12 |     vector<vector<ll>> q(n+1, vector<ll>(n+1, 0));
      |                                                 ^
xylophone.cpp:15:10: error: invalid types 'int[int]' for array subscript
   15 |         q[i][i+1] = query(i, i+1);
      |          ^
xylophone.cpp:19:10: error: invalid types 'int[int]' for array subscript
   19 |         q[i][i+2] = query(i, i+2);
      |          ^
xylophone.cpp:27:13: error: invalid types 'int[int]' for array subscript
   27 |         if(q[i][i+2]==q[i][i+1]+q[i+1][i+2])
      |             ^
xylophone.cpp:27:24: error: invalid types 'int[int]' for array subscript
   27 |         if(q[i][i+2]==q[i][i+1]+q[i+1][i+2])
      |                        ^
xylophone.cpp:27:34: error: invalid types 'int[int]' for array subscript
   27 |         if(q[i][i+2]==q[i][i+1]+q[i+1][i+2])
      |                                  ^
xylophone.cpp:39:18: error: invalid types 'int[int]' for array subscript
   39 |         arr[i]*=q[i][i+1];
      |                  ^