Submission #161353

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
161353	2019-11-01 21:35:04	pink_bittern	Segments (IZhO18_segments)	C++14	100 / 100	4826 ms	17872 KiB

segments

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#include <bits/stdc++.h>
#define pb push_back
#define pll pair <ll, ll>
#define MOMI using namespace std;
#define mp make_pair
#define pyshnapyshnakaa ios_base :: sync_with_stdio(0); cin.tie(0); cout.tie(0);
#pragma optimize("TKACHENKO-GORYACHENKO")
#pragma GCC optimize("O3")
// #pragma GCC optimize("Ofast")
// #pragma GCC optimize("unroll-loops")
 
typedef int ll;
 
typedef long double ld;
 
using namespace std;
 
const ll inf = 2e9 + 500;
const ll maxn = 2e5;
const ll block = 300;
const ll block_sz = (maxn + block - 1) / block;
 
ll n, m, k, t;
 
struct seg{
  ll l;
  ll r;
  inline ll sz() const {
    return r - l + 1;
  }
 
 
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Compilation message (stderr)

segments.cpp:7:0: warning: ignoring #pragma optimize  [-Wunknown-pragmas]
 #pragma optimize("TKACHENKO-GORYACHENKO")
 
segments.cpp: In function 'void buildL(ll)':
segments.cpp:74:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (w = 0; w < L[q].size(); w++) {
              ~~^~~~~~~~~~~~~
segments.cpp: In function 'void buildR(ll)':
segments.cpp:85:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (w = 0; w < R[q].size(); w++) {
              ~~^~~~~~~~~~~~~
segments.cpp: In function 'void mrgl()':
segments.cpp:94:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (i != segsl.size() && j != lasts.size()) {
         ~~^~~~~~~~~~~~~~~
segments.cpp:94:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (i != segsl.size() && j != lasts.size()) {
                              ~~^~~~~~~~~~~~~~~
segments.cpp:104:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (; i < segsl.size(); i++) {
         ~~^~~~~~~~~~~~~~
segments.cpp:107:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (; j < lasts.size(); j++) {
         ~~^~~~~~~~~~~~~~
segments.cpp: In function 'void mrgr()':
segments.cpp:116:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (i != segsr.size() && j != lasts.size()) {
         ~~^~~~~~~~~~~~~~~
segments.cpp:116:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  while (i != segsr.size() && j != lasts.size()) {
                              ~~^~~~~~~~~~~~~~~
segments.cpp:126:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (; i < segsr.size(); i++) {
         ~~^~~~~~~~~~~~~~
segments.cpp:129:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (; j < lasts.size(); j++) {
         ~~^~~~~~~~~~~~~~
segments.cpp: In function 'void rebuild()':
segments.cpp:136:8: warning: unused variable 'w' [-Wunused-variable]
  ll q, w;
        ^
segments.cpp: In function 'll slowL(ll, ll, ll)':
segments.cpp:204:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (q = 0; q < L[i].size(); q++) {
              ~~^~~~~~~~~~~~~
segments.cpp: In function 'll slowR(ll, ll, ll)':
segments.cpp:215:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (q = 0; q < R[i].size(); q++) {
              ~~^~~~~~~~~~~~~
segments.cpp: In function 'll getansL(ll, ll)':
segments.cpp:292:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (q = 0; q < lasts.size(); q++) {
              ~~^~~~~~~~~~~~~~
segments.cpp: In function 'll getansR(ll, ll)':
segments.cpp:332:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (q = 0; q < lasts.size(); q++) {
              ~~^~~~~~~~~~~~~~
segments.cpp: In function 'll answer(seg, ll)':
segments.cpp:347:5: warning: unused variable 'q' [-Wunused-variable]
  ll q, w;
     ^
segments.cpp:347:8: warning: unused variable 'w' [-Wunused-variable]
  ll q, w;
        ^
segments.cpp: In function 'int main()':
segments.cpp:358:8: warning: unused variable 'w' [-Wunused-variable]
  ll q, w, e, a, b, c;
        ^
segments.cpp:358:11: warning: unused variable 'e' [-Wunused-variable]
  ll q, w, e, a, b, c;
           ^
segments.cpp:358:17: warning: unused variable 'b' [-Wunused-variable]
  ll q, w, e, a, b, c;
                 ^
segments.cpp:362:5: warning: unused variable 'nxt' [-Wunused-variable]
  ll nxt = 0;
     ^~~
segments.cpp: In function 'void rebuild()':
segments.cpp:129:11: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
  for (; j < lasts.size(); j++) {
         ~~^~~~~~~~~~~~~~
segments.cpp:114:8: note: 'j' was declared here
  ll i, j;
        ^
segments.cpp:116:11: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized]
  while (i != segsr.size() && j != lasts.size()) {
         ~~^~~~~~~~~~~~~~~
segments.cpp:114:5: note: 'i' was declared here
  ll i, j;
     ^
segments.cpp:107:11: warning: 'j' may be used uninitialized in this function [-Wmaybe-uninitialized]
  for (; j < lasts.size(); j++) {
         ~~^~~~~~~~~~~~~~
segments.cpp:92:8: note: 'j' was declared here
  ll i, j;
        ^
segments.cpp:94:11: warning: 'i' may be used uninitialized in this function [-Wmaybe-uninitialized]
  while (i != segsl.size() && j != lasts.size()) {
         ~~^~~~~~~~~~~~~~~
segments.cpp:92:5: note: 'i' was declared here
  ll i, j;
     ^

• Subtask 1: 7 / 7
• Subtask 2: 15 / 15
• Subtask 3: 16 / 16
• Subtask 4: 17 / 17
• Subtask 5: 20 / 20
• Subtask 6: 25 / 25