제출 #709451

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
709451	2023-03-13 15:39:56	cig32	Road Construction (JOI21_road_construction)	C++14	32 / 100	2070 ms	81476 KiB

road_construction

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#include <bits/stdc++.h>
using namespace std;
#define int long long
const int MAXN = 2e5 + 2;
const int MOD = 1e9 + 7;
mt19937_64 rng((int)std::chrono::steady_clock::now().time_since_epoch().count());
int rnd(int x, int y) {
  int u = uniform_int_distribution<int>(x, y)(rng); return u;
}
int bm(int b, int p) {
  if(p==0) return 1 % MOD;
  int r = bm(b, p >> 1);
  if(p&1) return (((r*r) % MOD) * b) % MOD;
  return (r*r) % MOD;
}
int inv(int b) { 
  return bm(b, MOD-2);
}
int fastlog(int x) {
  return (x == 0 ? -1 : 64 - __builtin_clzll(x) - 1);
}
void printcase(int i) { cout << "Case #" << i << ": "; }
bool cmp1(pair<int,int> x, pair<int,int> y) {
  return x.first+x.second < y.first+y.second;
}
bool cmp2(pair<int,int> x, pair<int,int> y) {
  return x.first-x.second < y.first-y.second;
}
int bit[MAXN];
void add(int x, int v) {
 
 
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컴파일 시 표준 에러 (stderr) 메시지

road_construction.cpp: In function 'long long int count(std::vector<std::pair<long long int, long long int> >, long long int)':
road_construction.cpp:47:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |   for(int i=0; i<v.size(); i++) {
      |                ~^~~~~~~~~
road_construction.cpp:43:7: warning: unused variable 'n' [-Wunused-variable]
   43 |   int n = v.size();
      |       ^
road_construction.cpp: In function 'std::vector<long long int> all(std::vector<std::pair<long long int, long long int> >, long long int)':
road_construction.cpp:77:17: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   77 |   for(int i=0; i<v.size(); i++) {
      |                ~^~~~~~~~~
road_construction.cpp:73:7: warning: unused variable 'n' [-Wunused-variable]
   73 |   int n = v.size();
      |       ^

• Subtask 1: 5 / 5
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 20
• Subtask 5: 27 / 27
• Subtask 6: 0 / 35