Submission #477899

#	Time	Username	Problem	Language	Result	Execution time	Memory
477899		Fidisk	Detecting Molecules (IOI16_molecules)	C++14	Compilation error	0 ms	0 KiB

molecules

#include <bits/stdc++.h>
#include "molecules.h"
using namespace std;

#define oo 1e9
#define fi first
#define se second
#define sp(iiii) setprecision(iiii)
#define IO ios_base::sync_with_stdio(false); cin.tie(0)
#define ms(aaaa,xxxx) memset(aaaa,xxxx,sizeof(aaaa))
#define cntbit(xxxx) __builtin_popcount(xxxx)
#define getbit(xxxx,aaaa) (((xxxx)>>(aaaa-1))&1)

typedef long double ld;
typedef long long ll;
typedef unsigned long long ull;
typedef pair<int,int> pii;
typedef pair<pair<int,int>,int> piii;
typedef pair<pair<int,int>,pair<int,int>> piiii;
typedef pair<long long,long long> pll;
typedef pair<pair<long long,long long>,long long> plll;
typedef pair<pair<long long,long long>,pair<long long,long long>> pllll;
typedef pair<pair<long long,long long>,bool> pllb;
typedef pair<long double,long double> pld;
typedef pair<pair<long double,long double>,long double> plld;
typedef pair<long double,long long> pdl;

const ll base=361;
const ll mod=1e9;
const ll mod2=1e9;
const ld eps=1e-3;
const ld eps2=1e-7;
const ll maxn=2e5+9;
const ll maxsize=6e5+29;
const ld pi=acos(-1);
//const ll delta=1e5+7;
const int dx[4]={1,-1,0,0};
const int dy[4]={0,0,1,-1};

const int dxkn[8]={1,1,2,2,-1,-1,-2,-2};
const int dykn[8]={2,-2,1,-1,2,-2,1,-1};
const int dxki[8]={1,1,1,0,0,-1,-1,-1};
const int dyki[8]={1,0,-1,1,-1,1,0,-1};

vector<ll> solvesub1(ll l,ll u,vector<ll> w) {
    vector<ll> kq;
    kq.clear();
    ll sum=0;
    for (ll i=0;i<w.size();i++) {
        sum+=w[i];
        if (l<=sum&&sum<=u) {
            return kq;
        }
    }
    return {};
}

std::vector<ll> find_subset(ll l, ll u, std::vector<ll> w) {
    vector<ll> kq;
    kq.clear();
    sort(w.begin(),w.end());
    if (w[0]==w.back()) {
        return solvesub1(l,u,w);
    }
    return kq;
}

int main() {
    IO;
    #ifndef ONLINE_JUDGE
        freopen("test.inp", "r", stdin);
        freopen("test.out", "w", stdout);
    #else
    #endif

}

Compilation message (stderr)

molecules.cpp: In function 'std::vector<long long int> solvesub1(ll, ll, std::vector<long long int>)':
molecules.cpp:49:18: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   49 |     for (ll i=0;i<w.size();i++) {
      |                 ~^~~~~~~~~
molecules.cpp: In function 'int main()':
molecules.cpp:71:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   71 |         freopen("test.inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
molecules.cpp:72:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   72 |         freopen("test.out", "w", stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
/usr/bin/ld: /tmp/cc3srSPw.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccxVAiwy.o:molecules.cpp:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/cc3srSPw.o: in function `main':
grader.cpp:(.text.startup+0x18d): undefined reference to `find_subset(int, int, std::vector<int, std::allocator<int> >)'
collect2: error: ld returned 1 exit status