Submission #548574

#	Time	Username	Problem	Language	Result	Execution time	Memory
548574		beaconmc	Xylophone (JOI18_xylophone)	C++14	Compilation error	0 ms	0 KiB

xylophone

#include <bits/stdc++.h>
#include "xylophone.h"

typedef long long ll;
using namespace std;

#define FOR(i, x, y) for(ll i=x; i<y; i++)
#define FORNEG(i, x, y) for(ll i=x; i>y; i--)
#define ordered_set tree<ll, null_type,less_equal<ll>, rb_tree_tag,tree_order_statistics_node_update>
#define fast() ios_base::sync_with_stdio(false);cin.tie(NULL)
#define ll int
ll twodiff[5001];
ll threediff[5001];

ll max(ll x[5001]){
    ll maxi = -1000000000000000;
    for (auto&i : x){
        if (i!=0){
            maxi = max(maxi, i);
        }
    }

    return maxi;
}
ll min(ll x[5001]){
    ll mini = 1000000000000000;
    for (auto&i: x){
        if (i!=0){
            mini = min(mini, i);
        }
    }
    return mini;
}

void solve(ll n){
    FOR(i,0,5001){
        twodiff[i] = 0;
        threediff[i] = 0;
    }
    FOR(i,1,n){
        twodiff[i] = query(i, i+1);
    }
    FOR(i,1,n-1){
        threediff[i] = query(i, i+2);
    }

    FOR(i,2,n){
        if (threediff[i] != twodiff[i-1] + twodiff[i]){
            twodiff[i] *= twodiff[i-1] / abs(twodiff[i-1]);
        }
    }
    if (max(twodiff) - min(twodiff) >=n){
        FOR(i,1,n){
            twodiff[i] = abs(twodiff[i]);
        }
        twodiff[1] *= -1;

        FOR(i,2,n){
            if (threediff[i] != twodiff[i-1] + twodiff[i]){
                twodiff[i] *= twodiff[i-1] / abs(twodiff[i-1]);
            }
        }

        ll sus = min(twodiff);
        FOR(i,1,n){
            twodiff[i] -= sus-1;
        }
        FOR(i,2,n){
            twodiff[i] += twodiff[i-1];
        }
        FOR(i,1,n){
            answer(i, twodiff[i]);
        }

    }else{
        ll sus = min(twodiff);
        FOR(i,1,n){
            twodiff[i] -= sus-1;
        }
        FOR(i,2,n){
            twodiff[i] += twodiff[i-1];
        }
        FOR(i,1,n){
            answer(i, twodiff[i]);
        }

    }

}

Compilation message (stderr)

xylophone.cpp: In function 'int max(int*)':
xylophone.cpp:16:15: warning: overflow in conversion from 'long int' to 'int' changes value from '-1000000000000000' to '1530494976' [-Woverflow]
   16 |     ll maxi = -1000000000000000;
      |               ^~~~~~~~~~~~~~~~~
xylophone.cpp:17:19: error: 'begin' was not declared in this scope; did you mean 'std::begin'?
   17 |     for (auto&i : x){
      |                   ^
      |                   std::begin
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from xylophone.cpp:1:
/usr/include/c++/10/valarray:1224:5: note: 'std::begin' declared here
 1224 |     begin(const valarray<_Tp>& __va)
      |     ^~~~~
xylophone.cpp:17:19: error: 'end' was not declared in this scope; did you mean 'std::end'?
   17 |     for (auto&i : x){
      |                   ^
      |                   std::end
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from xylophone.cpp:1:
/usr/include/c++/10/valarray:1244:5: note: 'std::end' declared here
 1244 |     end(const valarray<_Tp>& __va)
      |     ^~~
xylophone.cpp: In function 'int min(int*)':
xylophone.cpp:26:15: warning: overflow in conversion from 'long int' to 'int' changes value from '1000000000000000' to '-1530494976' [-Woverflow]
   26 |     ll mini = 1000000000000000;
      |               ^~~~~~~~~~~~~~~~
xylophone.cpp:27:18: error: 'begin' was not declared in this scope; did you mean 'std::begin'?
   27 |     for (auto&i: x){
      |                  ^
      |                  std::begin
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from xylophone.cpp:1:
/usr/include/c++/10/valarray:1224:5: note: 'std::begin' declared here
 1224 |     begin(const valarray<_Tp>& __va)
      |     ^~~~~
xylophone.cpp:27:18: error: 'end' was not declared in this scope; did you mean 'std::end'?
   27 |     for (auto&i: x){
      |                  ^
      |                  std::end
In file included from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:95,
                 from xylophone.cpp:1:
/usr/include/c++/10/valarray:1244:5: note: 'std::end' declared here
 1244 |     end(const valarray<_Tp>& __va)
      |     ^~~