제출 #93516

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
93516	2019-01-09 07:50:43	vatsalsharma376	Tents (JOI18_tents)	C++14	100 / 100	113 ms	70776 KiB

tents

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#include<cstdio>
#include<algorithm>
using namespace std;
const long long mod = 1000000007;
const int MAX_N = 3000;
long long dp[MAX_N + 1][MAX_N + 1];
int H, W;
long long C2(int x){
  return x * (x - 1) / 2;
}
long long solve(){
  for(int i = 0; i <= H; ++i){
    for(int j = 0; j <= W; ++j){
      if(i == 0 || j == 0){
        dp[i][j] = 1;
      }else{
        dp[i][j] = 0;
        dp[i][j] += dp[i][j - 1];
        dp[i][j] += 4ll * i * dp[i - 1][j - 1];
        if(i >= 2){
          long long tmp = C2(i);
          dp[i][j] += tmp * dp[i - 2][j - 1];
        }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

tents.cpp: In function 'int main()':
tents.cpp:46:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &H, &W);
  ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 48 / 48
• Subtask 2: 52 / 52