Submission #142632

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
142632	2019-08-10 06:56:47	DrumpfTheGodEmperor	Snake Escaping (JOI18_snake_escaping)	C++14	100 / 100	1374 ms	42344 KiB

snake_escaping

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#include <bits/stdc++.h>
#define bp __builtin_popcountll
#define pb push_back
#define in(s) freopen(s, "r", stdin);
#define out(s) freopen(s, "w", stdout);
#define inout(s, end1, end2) freopen((string(s) + "." + end1).c_str(), "r", stdin),\
    freopen((string(s) + "." + end2).c_str(), "w", stdout);
#define fi first
#define se second
#define bw(i, r, l) for (int i = r - 1; i >= l; i--)
#define fw(i, l, r) for (int i = l; i < r; i++)
#define fa(i, x) for (auto i: x)
using namespace std;
const int mod = 1e9 + 7, inf = 1061109567;
const long long infll = 4557430888798830399;
const int L = (1 << 20) + 5;
int l, q, cost[L], defMask = 0, sumSubset[L], sumSubsetOf[L];
signed main() {
  #ifdef BLU
  in("blu.inp");
  #endif
  ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
  cin >> l >> q;
  fw (i, 0, (1 << l)) {
    char c;
    cin >> c;
    cost[i] = c - '0';
  }
  //sumSubset[i] stores sum of costs of j that j & i = j.
  fw (i, 0, (1 << l)) sumSubset[i] = cost[i];
 
 
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Compilation message (stderr)

snake_escaping.cpp: In function 'int main()':
snake_escaping.cpp:11:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fw(i, l, r) for (int i = l; i < r; i++)
snake_escaping.cpp:45:7:
   fw (i, 0, t.length()) {
       ~~~~~~~~~~~~~~~~                 
snake_escaping.cpp:45:3: note: in expansion of macro 'fw'
   fw (i, 0, t.length()) {
   ^~
snake_escaping.cpp:11:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fw(i, l, r) for (int i = l; i < r; i++)
snake_escaping.cpp:55:8:
    fw (i, 0, t.length()) {
        ~~~~~~~~~~~~~~~~                
snake_escaping.cpp:55:4: note: in expansion of macro 'fw'
    fw (i, 0, t.length()) {
    ^~
snake_escaping.cpp:11:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fw(i, l, r) for (int i = l; i < r; i++)
snake_escaping.cpp:66:8:
    fw (i, 0, t.length()) {
        ~~~~~~~~~~~~~~~~                
snake_escaping.cpp:66:4: note: in expansion of macro 'fw'
    fw (i, 0, t.length()) {
    ^~
snake_escaping.cpp:11:39: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
 #define fw(i, l, r) for (int i = l; i < r; i++)
snake_escaping.cpp:81:8:
    fw (i, 0, t.length()) {
        ~~~~~~~~~~~~~~~~                
snake_escaping.cpp:81:4: note: in expansion of macro 'fw'
    fw (i, 0, t.length()) {
    ^~

• Subtask 1: 5 / 5
• Subtask 2: 7 / 7
• Subtask 3: 10 / 10
• Subtask 4: 53 / 53
• Subtask 5: 25 / 25