Submission #67627

#	Time	Username	Problem	Language	Result	Execution time	Memory
67627		Mamnoon_Siam	Popeala (CEOI16_popeala)	C++17	0 / 100	780 ms	3192 KiB

popeala

//#pragma GCC optimize("Ofast,unroll-loops,no-stack-protector")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")

#include <bits/stdc++.h>
// #include <bits/extc++.h>
using namespace std;

#define debug(s) cout << #s << " = " << s << endl
#define all(v) (v).begin(), (v).end()
#define KeepUnique(v) (v).erase( unique(all(v)), v.end() )
#define MEMSET(a, val) memset(a, val, sizeof (a))
#define PB push_back
#define endl '\n'
typedef long long ll;

inline int myrand(int l, int r) {
	int ret = rand(); ret <<= 15; ret ^= rand();
	if(ret < 0) ret = -ret; ret %= (r-l+1); ret += l;
	return ret;
}

template <typename F, typename S>
ostream& operator << (ostream& os, const pair< F, S>& p) {
	return os<<"(" <<p.first<<", "<<p.second<<")"; }

typedef pair<int, int> ii;

template<typename T> using min_pq =
	std::priority_queue<T, vector<T>, greater<T> >;

//int dx[] = {-1, +0, +1, +0};
//int dy[] = {+0, +1, +0, -1};

int n, t, s;
ll pre[20005];
ll dp[53][20005];
ll bit[20005];

int32_t main () {
    // freopen("in", "r", stdin);
    scanf("%d %d %d", &n, &t, &s);
    for(int i = 1; i <= t; i++) {
    	scanf("%d", &pre[i]);
    	pre[i] += pre[i - 1];
    }
    for(int i = 0; i < n; i++) {
    	string s; scanf("%s", s.data());
    	for(int j = 0; j < t; j++) {
    		if(s[j] - '0') bit[j + 1] |= (1LL << i);
    	}
    }
    for(int i = 1; i <= s; i++) dp[i][0] = ~2U >> 1;
    for(int i = 1; i <= t; i++) dp[0][i] = ~2U >> 1;
    for(int i = 1; i <= s; i++) {
    	for(int j = 1; j <= t; j++) {
    		dp[i][j] = 2e9;
    		ll cur = ~0;
    		for(int k = j; k >= 1; k--) {
    			cur &= bit[k];
    			dp[i][j] = min(dp[i][j], dp[i - 1][k - 1] + (pre[j] - pre[k - 1]) * __builtin_popcountll(cur));
    		}
    	}
    }
    for(int i = 1; i <= s; i++)
    	printf("%d\n", (int)dp[i][t]);
}

Compilation message (stderr)

popeala.cpp: In function 'int myrand(int, int)':
popeala.cpp:18:2: warning: this 'if' clause does not guard... [-Wmisleading-indentation]
  if(ret < 0) ret = -ret; ret %= (r-l+1); ret += l;
  ^~
popeala.cpp:18:26: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'if'
  if(ret < 0) ret = -ret; ret %= (r-l+1); ret += l;
                          ^~~
popeala.cpp: In function 'int32_t main()':
popeala.cpp:43:25: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll* {aka long long int*}' [-Wformat=]
      scanf("%d", &pre[i]);
                  ~~~~~~~^
popeala.cpp:41:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &n, &t, &s);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
popeala.cpp:43:11: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
      scanf("%d", &pre[i]);
      ~~~~~^~~~~~~~~~~~~~~
popeala.cpp:47:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
      string s; scanf("%s", s.data());
                ~~~~~^~~~~~~~~~~~~~~~

• Subtask 1: 0 / 8
• Subtask 2: 0 / 9
• Subtask 3: 0 / 9
• Subtask 4: 0 / 74