제출 #523431

#	제출 시각^UTC-0	아이디	문제	언어	결과	실행 시간	메모리
523431	2022-02-07 16:04:43	Vladth11	Regions (IOI09_regions)	C++14	25 / 100	2060 ms	131076 KiB

이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.

regions

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#include <bits/stdc++.h>
#define debug(x) cerr << #x << " " << x << "\n"
#define debugs(x) cerr << #x << " " << x << " "
using namespace std;
typedef long long ll;
typedef pair <int, int> pii;
typedef pair <long double, pii> muchie;
const int NMAX = 200001;
const int VMAX = 21;
const int INF = (1LL << 60);
const int MOD = 1000000007;
const int BLOCK = 318;
const int base = 31;
const int nr_of_bits = 21;
const int MMAX = NMAX / BLOCK + 5;
vector <int> v[NMAX], vertices[NMAX];
vector <pii> lista[NMAX];
int stamp;
int n, R, Q;
ll sol[MMAX][25001];
ll precalc[25001][MMAX];
int region[NMAX];
int bigR[NMAX];
int smallR[NMAX];
int bigIdx[NMAX];
int smallIdx[NMAX];
int cati[NMAX];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

regions.cpp:12:22: warning: overflow in conversion from 'long long int' to 'int' changes value from '1152921504606846976' to '0' [-Woverflow]
   12 | const int INF = (1LL << 60);
      |                 ~~~~~^~~~~~
regions.cpp: In function 'int main()':
regions.cpp:115:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  115 |             while(i < lista[a].size() && j < lista[b].size()) {
      |                   ~~^~~~~~~~~~~~~~~~~
regions.cpp:115:44: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  115 |             while(i < lista[a].size() && j < lista[b].size()) {
      |                                          ~~^~~~~~~~~~~~~~~~~
regions.cpp: In function 'void DFS(int, int)':
regions.cpp:46:30: warning: iteration 632 invokes undefined behavior [-Waggressive-loop-optimizations]
   46 |         sol[i][region[node]] += 1LL * countAbove[i];
      |         ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
regions.cpp:45:22: note: within this loop
   45 |     for(int i = 1; i <= MMAX; i++) {
      |                    ~~^~~~~~~

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