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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. #include<math.h>
  4. #include<string.h>
  5. #include<assert.h>
  6. #define REP(i,a,b) for(i=a;i<b;i++)
  7. #define rep(i,n) REP(i,0,n)
  8.  
  9. int main(){
  10.   int T;
  11.   int i, j, k, in[120][120];
  12.   int same[120][120];
  13.   int res, cnt = 0;
  14.   char buf[10];
  15.  
  16.   assert( scanf("%d",&T)==1 );
  17.   rep(i,T) rep(j,T){
  18.     assert( scanf("%s",buf)==1 );
  19.          if(strcmp(buf,"YES")==0) in[i][j] = 1;
  20.     else if(strcmp(buf,"NO") ==0) in[i][j] = 0;
  21.     else assert(0);
  22.   }
  23.  
  24.   rep(i,T){
  25.     k = 0;
  26.     rep(j,T) if(in[i][j]==1) k++;
  27.     if(k==0) break;
  28.   }
  29.   if(i==T) res=-1, cnt++;  /* All "NO" is a valid output */
  30.  
  31.   rep(i,T) rep(j,T){
  32.     same[i][j] = 1;
  33.     rep(k,T) if(in[i][k]!=in[j][k]){ same[i][j]=0; break; }
  34.   }
  35.  
  36.   rep(i,T){
  37.     REP(j,i+1,T) if(same[i][j]) break;
  38.     if(j<T) continue;
  39.  
  40.     rep(j,T) if(in[i][j] != same[i][j]) break;
  41.     if(j==T) res = i, cnt++; /* It is a valid output that is the same as the i-th input */
  42.   }
  43.  
  44.   assert(cnt==1); /* output should be determined uniquely */
  45.  
  46.   if(res==-1){
  47.     rep(i,T) puts("NO");
  48.   } else {
  49.     rep(i,T) if(in[res][i]) puts("YES"); else puts("NO");
  50.   }
  51.  
  52.   return 0;
  53. }
Runtime error #stdin #stdout 0.02s 2856KB
comments (?)
stdin
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2
NO
NO
NO
NO
stdout
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Standard output is empty
https://ideone.com/4Is0s
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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