Submission #320975

#	Time^UTC-0	Username	Problem	Language	Result	Execution time	Memory
320975	2020-11-10 11:55:07	mhy908	Mechanical Doll (IOI18_doll)	C++14	Compilation error	0 ms	0 KiB

This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.

doll

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#include "doll.h"
#include <bits/stdc++.h>
#define mp make_pair
#define eb emplace_back
#define F first
#define S second
#define all(x) x.begin(), x.end()
#define svec(x) sort(all(x))
#define press(x) x.erase(unique(all(x)), x.end());
using namespace std;
typedef long long LL;
typedef pair<int, int> pii;
typedef pair<int, LL> pil;
typedef pair<LL, int> pli;
typedef pair<LL, LL> pll;
const int INF=1e9;
const LL LLINF=1e18;
int n, m, arr[200010], cnt[100010], num[200010];
vector<int> vc[100010], ret1, ret2, ret3;
int conn[100010], re, sp[30][200010];
pii sw[200010];
void make_tree(int nw, int k, int nwnum, int rt, int skp, int lg, int tot, int c){
    if(k==2){
        int l=sp[lg][nwnum], r=sp[lg][nwnum+1];
        if(l<=skp)sw[nw].F=rt;
        else sw[nw].F=vc[c][l-skp-1];
        if(r<=skp)sw[nw].S=rt;
        else sw[nw].F=vc[v][r-skp-1];
 
 
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Compilation message (stderr)

doll.cpp: In function 'void make_tree(int, int, int, int, int, int, int, int)':
doll.cpp:30:26: error: 'v' was not declared in this scope
   30 |         else sw[nw].F=vc[v][r-skp-1];
      |                          ^
doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:42:26: error: expected primary-expression before ')' token
   42 |     for(int i=1; i<=n; ++){
      |                          ^
doll.cpp:63:19: warning: operation on 're' may be undefined [-Wsequence-point]
   63 |         make_tree(++re, sz, 1, -re, sz-cnt[i], lg, sz, i);
      |                   ^~~~
doll.cpp:63:19: warning: operation on 're' may be undefined [-Wsequence-point]