Submission #303609

#	Time	Username	Problem	Language	Result	Execution time	Memory
303609		medmdg	Carnival Tickets (IOI20_tickets)	C++14	Compilation error	0 ms	0 KiB

tickets

#include <bits/stdc++.h>
#include "tickets.h"
using namespace std;
unsigned long long int fin(vector<vector<int> > a,int n,int m,int k){
    unsigned long long int ans=0;
    for(int i=0;i<n;i++){
        unsigned long long int mid=0;
        for(int j=0;j<m;j++){
            mid+=a[i][j];
        }
        mid/=m;
        unsigned long long int ff=0;
        for(int j=0;j<m;j++){
            if(abs(ff-mid)>abs(a[i][j]-mid)){
                ff=a[i][j];
            }
        }
        for(int j=0;j<m;j++){
            ans+=abs(ff-a[i][j]);
        }
    }
    return ans;
}
long long int find_maximum(int k, vector<vector<int> > x){
    int n=x.size();
    int m=x[0].size();
    if(m==1){
        vector<vector<int> > ans(n);
        vector<vector<int> > answ(k);
        for(int i=0;i<n;i++){
            ans[i].push_back(0);
            answ[0].push_back(x[i][0]);
        }
            allocate_tickets(ans);
            return fin(answ,k,n,k);
    }
}

Compilation message (stderr)

tickets.cpp: In function 'long long unsigned int fin(std::vector<std::vector<int> >, int, int, int)':
tickets.cpp:14:26: error: call of overloaded 'abs(long long unsigned int)' is ambiguous
   14 |             if(abs(ff-mid)>abs(a[i][j]-mid)){
      |                          ^
In file included from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from tickets.cpp:1:
/usr/include/stdlib.h:774:12: note: candidate: 'int abs(int)'
  774 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
In file included from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)'
   79 |   abs(long double __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)'
   75 |   abs(float __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)'
   71 |   abs(double __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |   ^~~
tickets.cpp:14:43: error: call of overloaded 'abs(long long unsigned int)' is ambiguous
   14 |             if(abs(ff-mid)>abs(a[i][j]-mid)){
      |                                           ^
In file included from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from tickets.cpp:1:
/usr/include/stdlib.h:774:12: note: candidate: 'int abs(int)'
  774 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
In file included from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)'
   79 |   abs(long double __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)'
   75 |   abs(float __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)'
   71 |   abs(double __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |   ^~~
tickets.cpp:19:32: error: call of overloaded 'abs(long long unsigned int)' is ambiguous
   19 |             ans+=abs(ff-a[i][j]);
      |                                ^
In file included from /usr/include/c++/9/bits/std_abs.h:38,
                 from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from tickets.cpp:1:
/usr/include/stdlib.h:774:12: note: candidate: 'int abs(int)'
  774 | extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
      |            ^~~
In file included from /usr/include/c++/9/cmath:47,
                 from /usr/include/x86_64-linux-gnu/c++/9/bits/stdc++.h:41,
                 from tickets.cpp:1:
/usr/include/c++/9/bits/std_abs.h:79:3: note: candidate: 'constexpr long double std::abs(long double)'
   79 |   abs(long double __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:75:3: note: candidate: 'constexpr float std::abs(float)'
   75 |   abs(float __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:71:3: note: candidate: 'constexpr double std::abs(double)'
   71 |   abs(double __x)
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:61:3: note: candidate: 'long long int std::abs(long long int)'
   61 |   abs(long long __x) { return __builtin_llabs (__x); }
      |   ^~~
/usr/include/c++/9/bits/std_abs.h:56:3: note: candidate: 'long int std::abs(long int)'
   56 |   abs(long __i) { return __builtin_labs(__i); }
      |   ^~~
tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<int> >)':
tickets.cpp:37:1: warning: control reaches end of non-void function [-Wreturn-type]
   37 | }
      | ^