Submission #120405

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
120405	2019-06-24 11:30:55	tinder	Port Facility (JOI17_port_facility)	C++14	0 / 100	185 ms	188308 KiB

port_facility

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#include <bits/stdc++.h>
using namespace std;
using ii = pair<int, int>;
const int maxn = 2e6 + 6;
const int mod = 1e9 + 7;
int n, s[maxn], t[maxn];
vector<int> g[maxn], w[maxn];
void add_edge(int u, int v, int col) {
  w[u].emplace_back(col);
  w[v].emplace_back(col);
  g[u].emplace_back(v);
  g[v].emplace_back(u);
}
struct info {
  int x, id;
  info () {}
  info (int _x, int _id) {
    x = _x, id = _id;
  }
  bool operator < (const info &that) const {
    return x < that.x;
  }
};
vector<info> ft[maxn];
vector<int> p[maxn];
 
 
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Compilation message (stderr)

port_facility.cpp: In function 'void update(int, int, int, int)':
port_facility.cpp:43:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(lptr[i] < ft[i].size() and ft[i][lptr[i]].x < l) lptr[i]++;
         ~~~~~~~~^~~~~~~~~~~~~~
port_facility.cpp:44:17: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   while(rptr[i] < ft[i].size() and ft[i][rptr[i]].x <= r) rptr[i]++;
         ~~~~~~~~^~~~~~~~~~~~~~
port_facility.cpp: In function 'void dfs(int)':
port_facility.cpp:61:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for(int i = 0; i < g[u].size(); i++) {
                 ~~^~~~~~~~~~~~~
port_facility.cpp: In function 'int main(int, const char**)':
port_facility.cpp:115:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int j = 1; j < p[i].size(); j++) {
                  ~~^~~~~~~~~~~~~
port_facility.cpp:93:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
port_facility.cpp:96:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &s[i], &t[i]);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 12
• Subtask 3: 0 / 56
• Subtask 4: 0 / 22