Submission #25201

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
25201	2017-06-20 18:18:31	gabrielsimoes	Boat (APIO16_boat)	C++14	100 / 100	179 ms	2048 KiB

boat

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll MOD = 1000000007;
const int MAXN = 501;
const int MAX = 1e6+10;
#define mod(a, b) (((a)*(b)) % MOD)
ll invpow(ll a, ll b = MOD-2) {
  ll ret = 1;
  ll prod = a;
  for (int i = 0; i <= 30; i++) {
    if ((1LL << i) & b)
      ret = (ret * prod) % MOD;
    prod = (prod*prod) % MOD;
  }
  return ret;
}   
int n;
ll a[MAXN], b[MAXN];
vector<ll> v;
ll inv[MAXN], c[MAXN];
ll dp[MAXN], sum[MAXN];
int main()
{
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

boat.cpp: In function 'int main()':
boat.cpp:50:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int region = 1; region < v.size(); region++) {
                              ^
boat.cpp:31:17: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
                 ^
boat.cpp:33:35: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld %lld", &a[i], &b[i]);
                                   ^

• Subtask 1: 9 / 9
• Subtask 2: 22 / 22
• Subtask 3: 27 / 27
• Subtask 4: 42 / 42