Submission #144979

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
144979	2019-08-18 10:13:06	emilem	Zagrade (COI17_zagrade)	C++14	0 / 100	857 ms	20668 KiB

zagrade

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#include <algorithm>
#include <iostream>
#include <string>
#include <vector>
using namespace std;
 
long long ans;
int n;
int op, clos;
string path;
vector< vector<int> > nei;
string a;
 
long long Chain(const string& a)
{
  vector< pair<int, int> > pref(a.length());
  for (int i = 0; i < pref.size(); ++i)
  {
    pref[i].second = i;
    if (a[i] == '(') ++pref[i].first;
    else --pref[i].first;
    if (i) pref[i].first += pref[i - 1].first;
  }
  vector<int> r(n, -1);
  for (int i = 0; i < n; ++i)
  {
    r[i] = -1;
    int minElem = pref[i].first;
    for (int j = i; j < n; ++j)
    {
 
 
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Compilation message (stderr)

zagrade.cpp: In function 'long long int Chain(const string&)':
zagrade.cpp:17:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < pref.size(); ++i)
                  ~~^~~~~~~~~~~~~
zagrade.cpp:40:6: warning: suggest explicit braces to avoid ambiguous 'else' [-Wdangling-else]
   if (r[i] != -1)
      ^
zagrade.cpp: In function 'void Dfs(int, int)':
zagrade.cpp:57:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < nei[v].size(); ++i)
                  ~~^~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 30
• Subtask 3: 0 / 60