Submission #200522

#TimeUTC-0UsernameProblemLanguageResultExecution timeMemory
2005222020-02-07 04:54:54arnold518스트랩 (JOI14_straps)C++14
100 / 100
173 ms63780 KiB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
const int MAXN = 2000;
const ll INF = 1e18;
int N, A[MAXN+10], B[MAXN+10];
ll dp[MAXN+10][MAXN*2+10];
ll solve(int pos, int val)
{
if(pos==N+1)
{
if(val>=-1) return 0;
else return -INF;
}
ll &ret=dp[pos][val+MAXN];
if(ret!=-1) return ret;
ret=-INF;
ret=max(ret, solve(pos+1, val));
ret=max(ret, solve(pos+1, min(N, val+A[pos]))+B[pos]);
return ret;
}
 
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Compilation message (stderr)

straps.cpp: In function 'int main()':
straps.cpp:33:9: warning: unused variable 'j' [-Wunused-variable]
  int i, j;
         ^
straps.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &N);
  ~~~~~^~~~~~~~~~
straps.cpp:35:49: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(i=1; i<=N; i++) scanf("%d%d", &A[i], &B[i]), A[i]--;
                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~
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