제출 #487970

#제출 시각아이디문제언어결과실행 시간메모리
487970MilosMilutinovicBali Sculptures (APIO15_sculpture)C++14
21 / 100
1 ms308 KiB
#include <bits/stdc++.h> using namespace std; #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second #define SZ(x) ((int)(x).size()) typedef vector<int> VI; typedef long long ll; typedef pair<int,int> PII; typedef double db; mt19937 mrand(random_device{}()); const ll mod=1000000007; const ll mod2=998244353; int rnd(int x) { return mrand() % x;} ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} ll gcd(ll a,ll b) { return b?gcd(b,a%b):a;} // head const int N=2010; int n,a,b,y[N],dp[N]; ll pf[N],ans; int get(int l,int r) { return pf[r]-pf[l-1]; } bool check() { rep(i,1,n+1) dp[i]=(1<<29); rep(i,1,n+1) rep(j,i,n+1) { if ((get(i,j)|ans)==ans) { dp[j]=min(dp[j],dp[i-1]+1); } } return dp[n]<=b; } int main() { scanf("%d%d%d",&n,&a,&b); rep(i,1,n+1) scanf("%d",y+i),pf[i]=pf[i-1]+y[i]; ans=(1ll<<60)-1; per(i,0,60) { ans^=(1ll<<i); if (!check()) ans|=(1ll<<i); } printf("%lld",ans); } /*6 1 3 8 1 2 1 5 4 */

컴파일 시 표준 에러 (stderr) 메시지

sculpture.cpp: In function 'int main()':
sculpture.cpp:42:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   42 |  scanf("%d%d%d",&n,&a,&b);
      |  ~~~~~^~~~~~~~~~~~~~~~~~~
sculpture.cpp:43:20: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   43 |  rep(i,1,n+1) scanf("%d",y+i),pf[i]=pf[i-1]+y[i];
      |               ~~~~~^~~~~~~~~~
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