제출 #979000

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
979000	2024-05-10 05:44:12	penguin133	Group Photo (JOI21_ho_t3)	C++17	100 / 100	338 ms	313732 KiB

Main

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#include <bits/stdc++.h>
using namespace std;
#define int long long
#define pi pair<int, int>
#define pii pair<int, pi>
#define fi first
#define se second
#ifdef _WIN32
#define getchar_unlocked _getchar_nolock
#endif
mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count());
int dp[5005], A[5005], pos[5005], P[5005][5005], col[5005][5005], n;
void solve(){
  cin >> n;
  for(int i = 1; i <= n; i++){
    cin >> A[i];
    pos[A[i]] = i;
  }
  for(int i = 1; i <= n; i++){
    for(int j = i + 1; j <= n; j++){
      if(pos[i] < pos[j])P[i][j]++;
      P[i][j] += P[i][j - 1];
    }
  }
  for(int i = 1; i <= n; i++){
    for(int j = 1; j <= n; j++){
      col[i][j] = col[i - 1][j] + P[i][j];
 
 
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컴파일 시 표준 에러 (stderr) 메시지

Main.cpp:62:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   62 | main(){
      | ^~~~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 32 / 32
• Subtask 4: 20 / 20
• Subtask 5: 36 / 36