Submission #447360

#	Time	Username	Problem	Language	Result	Execution time	Memory
447360		KDisabledA	Kronican (COCI16_kronican)	C++14	0 / 100	3 ms	380 KiB

kronican

#include<bits/stdc++.h>
#include<ext/numeric>
#define fastIO                  ios::sync_with_stdio(0), cin.tie(NULL), cout.tie(NULL);
#define FOR(i, j, k, in)		for (int i = (j); i < (k); i += (in))
#define FORW(i, j, k, in)		for (int i = (j); i <= (k); i += (in))
#define RFOR(i, j, k, in)		for (int i = (j); i >= (k); i -= (in))
#define RFORW(i, j, k, in)		for (int i = (j); i > (k); i -= (in))
#define sz(arr)                 ((int)(arr).size())
#define pb                      push_back
#define fi						first
#define se						second
#define mp						make_pair

using namespace std;
using namespace __gnu_cxx;

typedef pair<int,int> pii;
typedef vector<int> vi;
typedef pair<int,pii> piii;
typedef vector<pii> vii;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<ll> vll;
typedef pair<ll,ll> pll;
typedef vector<pll> vpll;

const int inf=INT_MAX-(13*7);
const float PI=acos(-1);
const ll linf=LLONG_MAX-(13ll*7ll);
priority_queue<piii> pq;
const int N = 22;
int n,k,ed,res;
bool check[N][N];
int main(){
    #ifndef ONLINE_JUDGE
        freopen("dungdich.inp","r",stdin);
        freopen("dungdich.out","w",stdout);
    #endif // ONLINE_JUDGE
    fastIO;
    cin>>n>>k;
    FORW(i,1,n,1){
        FORW(j,1,n,1){
            int w;
            cin>>w;
            if(i!=j&&!check[i][j]) {pq.push(mp(w,mp(i,j))); ++ed;}
            check[i][j]=check[j][i]=1;
        }
    }
    while(ed>k&&!pq.empty()){
        res+=pq.top().fi;
        pq.pop();
        --ed;
    }
    cout<<res;
}

//-T nghi la t khong the de mat 1 nguoi ban tot nhu m dau =)))
//

Compilation message (stderr)

kronican.cpp: In function 'int main()':
kronican.cpp:36:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   36 |         freopen("dungdich.inp","r",stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~
kronican.cpp:37:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   37 |         freopen("dungdich.out","w",stdout);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 100