Submission #72391

#	Time	Username	Problem	Language	Result	Execution time	Memory
72391		(#118)	Gorgeous Pill (FXCUP3_gorgeous)	C++14	51 / 100	501 ms	14456 KiB

gorgeous

#include <cstdio>
#include <algorithm>
using namespace std;

long long dp[2][1002][1002]; // 너비, 구간 시작점, 첫 약

int C[1002];
int D[1002];

int main(){
  int N; scanf("%d", &N);

  if(N > 1000){
    puts("Subtask 3");
    return 0;
  }

  for(int i = 1; i <= N; i++) scanf("%d", &C[i]);
  for(int i = 1; i <= N; i++) scanf("%d", &D[i]);

  for(int i = 1; i <= N; i++) dp[1][i][i] = (C[i] == 1 ? D[i] : 0);

  for(int w = 2; w <= N; w++){
    int w_ = w & 1, _w = w_ ^ 1;

    int e = N - w + 1;

    for(int i = 1; i <= e; i++){
      int fe = i + w - 1;

      for(int f = i; f <= fe; f++){
        // 마지막 약으로 구간의 시작점 or 구간의 끝점

        long long a = f < fe ? dp[_w][i][f] + (C[fe] == w ? D[fe] : 0) : 0;
        long long b = f > i ? dp[_w][i + 1][f] + (C[i] == w ? D[i] : 0) : 0;

        dp[w_][i][f] = max(a, b);
      }
    }
  }

  for(int i = 1; i <= N; i++) printf("%lld ", dp[N & 1][1][i]);

  printf("\n");
  return 0;
}

Compilation message (stderr)

gorgeous.cpp: In function 'int main()':
gorgeous.cpp:11:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   int N; scanf("%d", &N);
          ~~~~~^~~~~~~~~~
gorgeous.cpp:18:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(int i = 1; i <= N; i++) scanf("%d", &C[i]);
                               ~~~~~^~~~~~~~~~~~~
gorgeous.cpp:19:36: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   for(int i = 1; i <= N; i++) scanf("%d", &D[i]);
                               ~~~~~^~~~~~~~~~~~~

• Subtask 1: 12 / 12
• Subtask 2: 39 / 39
• Subtask 3: 0 / 49