Submission #433641

#	Time	Username	Problem	Language	Result	Execution time	Memory
433641		SAAD	Carnival Tickets (IOI20_tickets)	C++17	Compilation error	0 ms	0 KiB

tickets

#include <iostream>
#include <math.h>
#include <algorithm>
#include <vector>
#include <string.h>
#include "tickets.h"
using namespace std;

long long find_maximum(int k, vector<vector<long long>> x) {
    vector<vector<int>> x1(x.size()) ;
    long long sum = 0 , s = 0 ;
    for (int i = 0; i < x.size(); i++) {
        sum += x[i][0];
        x1[i].push_back(0);
    }
    sum /= x.size();
    for (int i = 0; i < x.size(); i++) {
        s += abs(x[i][0]-sum);
    }
    allocate_tickets(x1);
    return s;
}

Compilation message (stderr)

tickets.cpp: In function 'long long int find_maximum(int, std::vector<std::vector<long long int> >)':
tickets.cpp:12:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   12 |     for (int i = 0; i < x.size(); i++) {
      |                     ~~^~~~~~~~~~
tickets.cpp:17:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   17 |     for (int i = 0; i < x.size(); i++) {
      |                     ~~^~~~~~~~~~
/usr/bin/ld: /tmp/ccTzoEsC.o: in function `main':
grader.cpp:(.text.startup+0x3b2): undefined reference to `find_maximum(int, std::vector<std::vector<int, std::allocator<int> >, std::allocator<std::vector<int, std::allocator<int> > > >)'
collect2: error: ld returned 1 exit status