Submission #293997

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
293997	2020-09-08 14:19:15	crossing0ver	Interval Collection (CCO20_day2problem2)	C++17	25 / 25	3279 ms	386628 KiB

Main

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#include<bits/stdc++.h>
#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize("Ofast")
#pragma GCC target("avx,avx2,fma")
#define ll long long
#define vi vector<int>
#define pii pair<int,int>
#define all(x) x.begin(),x.end()
#define fi first
#define se second
#define pb push_back
using namespace std;
const int N = 1e6+6,inf = 1e8;
int F[N],ANS[N];
vector<pii> Q[N*4];
int l1,r1,QL,QR;
void qer(int v,int tl,int tr) {
    if (l1 > tr || r1 < tl) return;
    if (l1 <= tl && r1  >= tr) {
        Q[v].pb({QL,QR});
        return;
    }
    int tm = (tl + tr)/2;
    qer(v*2,tl,tm);
    qer(v*2+1,tm+1,tr);
}
int cans=INT_MAX;
int t[2][4*N],timer;
int *H[100000000];
 
 
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Compilation message (stderr)

Main.cpp: In function 'void rollback()':
Main.cpp:38:14: warning: operation on 'timer' may be undefined [-Wsequence-point]
   38 |     (*H[timer--]) = val[timer];
      |         ~~~~~^~
Main.cpp:38:14: warning: operation on 'timer' may be undefined [-Wsequence-point]
Main.cpp: In function 'int get1(int, bool)':
Main.cpp:59:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   59 |     for (;pos;pos -= pos&-pos)
      |     ^~~
Main.cpp:61:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   61 |         return s;
      |         ^~~~~~
Main.cpp:64:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
   64 |     for (;pos;pos -= pos&-pos)
      |     ^~~
Main.cpp:66:9: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
   66 |         return s;
      |         ^~~~~~
Main.cpp: At global scope:
Main.cpp:120:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
  120 | main() {
      |      ^
Main.cpp: In function 'int main()':
Main.cpp:142:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  142 |     for (int i = 0; i < t.size(); i++) {
      |                     ~~^~~~~~~~~~
Main.cpp:163:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  163 |         for (int i= 0; i < t.size(); i++)
      |                        ~~^~~~~~~~~~

• Subtask 1: 3 / 3
• Subtask 2: 8 / 8
• Subtask 3: 7 / 7
• Subtask 4: 4 / 4
• Subtask 5: 3 / 3