oj.uz

Submission #235709

# Submission time Handle Problem Language Result Execution time Memory
235709 2020-05-29T12:47:59 Z Kalam Ili (COI17_ili) C++11
100 / 100
 1046 ms 13560 KB 
// KALAM
# include<bits/stdc++.h>

using namespace std;

const int N = 10000 + 77;
int n , m , F[N] , G[N];
bitset < N > B[N] , P , I , E;
vector < int > adj[N];
char S[N];
int main() {
   scanf("%d %d" , & n , & m);
   scanf("%s" , S + 1);
   for(int i = 1;i <= n;++ i)
      P[i] = 1 , I[i] = 1;
   for(int i = 1;i <= m;++ i) {
      int k = 2;
      while(k --) {
         char c;
         int x;
         scanf(" %c%d" , & c , & x);
         if(c == 'x') B[i][x] = 1 , adj[i].push_back(x);
         else B[i] |= B[x] , adj[i].push_back(-x);
      }
      if(S[i] == '0')
         P = (P & (I ^ B[i]));
   }
   for(int i = 1;i <= m;++ i)
      B[i] &= P;
   for(int i = 1;i <= m;++ i)
      if(B[i] == E && S[i] == '?')
         S[i] = '0';
   for(int i = 1;i <= m;++ i) {
      if(S[i] != '?')
         continue ;
      memset(F , 0 , sizeof F);
      memset(G , 0 , sizeof G);
      for(int j = 1;j <= n;++ j)
         F[j] = (P[j] & (!B[i][j]));
      for(int j = 1;j <= m;++ j) {
         for(int x : adj[j]) {
            if(x >= 0)
               G[j] |= F[x];
            else
               G[j] |= G[-x];
         }
      }
      bool good = 1;
      for(int j = 1;j <= m;++ j)
         if(S[j] != '?')
            good &= (G[j] == (S[j] - '0'));
      if(!good)
         S[i] = '1';
   }

   for(int i = 1;i <= m;++ i)
      printf("%c" , S[i]);

   return 0;
}

Compilation message

ili.cpp: In function 'int main()':
ili.cpp:12:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d %d" , & n , & m);
    ~~~~~^~~~~~~~~~~~~~~~~~~~~
ili.cpp:13:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%s" , S + 1);
    ~~~~~^~~~~~~~~~~~~~
ili.cpp:21:15: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
          scanf(" %c%d" , & c , & x);
          ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct

Subtask #2
42.0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 7 ms 1280 KB Output is correct
9 Correct 7 ms 1152 KB Output is correct
10 Correct 7 ms 1280 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 7 ms 1280 KB Output is correct
13 Correct 7 ms 1296 KB Output is correct
14 Correct 8 ms 1280 KB Output is correct

Subtask #3
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 640 KB Output is correct
2 Correct 5 ms 640 KB Output is correct
3 Correct 5 ms 640 KB Output is correct
4 Correct 5 ms 640 KB Output is correct
5 Correct 5 ms 640 KB Output is correct
6 Correct 5 ms 640 KB Output is correct
7 Correct 5 ms 640 KB Output is correct
8 Correct 7 ms 1280 KB Output is correct
9 Correct 7 ms 1152 KB Output is correct
10 Correct 7 ms 1280 KB Output is correct
11 Correct 7 ms 1280 KB Output is correct
12 Correct 7 ms 1280 KB Output is correct
13 Correct 7 ms 1296 KB Output is correct
14 Correct 8 ms 1280 KB Output is correct
15 Correct 191 ms 8320 KB Output is correct
16 Correct 474 ms 9704 KB Output is correct
17 Correct 388 ms 11392 KB Output is correct
18 Correct 970 ms 13436 KB Output is correct
19 Correct 393 ms 9728 KB Output is correct
20 Correct 934 ms 13312 KB Output is correct
21 Correct 1046 ms 13440 KB Output is correct
22 Correct 270 ms 12920 KB Output is correct
23 Correct 313 ms 13432 KB Output is correct
24 Correct 299 ms 13432 KB Output is correct
25 Correct 297 ms 13432 KB Output is correct
26 Correct 295 ms 13196 KB Output is correct
27 Correct 367 ms 13304 KB Output is correct
28 Correct 308 ms 12916 KB Output is correct
29 Correct 267 ms 13056 KB Output is correct
30 Correct 307 ms 13144 KB Output is correct
31 Correct 286 ms 13480 KB Output is correct
32 Correct 314 ms 13560 KB Output is correct