oj.uz

Submission #72320

# Submission time Handle Problem Language Result Execution time Memory
72320 2018-08-26T07:04:40 Z (#2175, xdoju, kazel, pps789) Judge Against Wrong Code (FXCUP3_judge) C++17
100 / 100
 510 ms 19092 KB 
#include<cstdio>
#include<algorithm>
#include<vector>
#include<bitset>
using namespace std;

bitset<20> dp[1<<20];
bool attack[1<<20];
int target[1<<20];
int targetsum[1<<20];

int X,D,C;

char buff[22];

char ans[555555];

int main(){
    scanf("%d",&X);
    scanf("%d",&D);

    for(int i=0;i<D;i++){
        scanf("%s",buff);
        int cur = 0;
        for(int i=0;i<X;i++) if(buff[i]=='o') cur |= (1<<i);
        attack[cur] = true;
    }

    scanf("%d",&C);
    for(int i=0;i<C;i++){
        scanf("%s",buff);
        int cur = 0;
        for(int i=0;i<X;i++) if(buff[i]=='x') cur |= (1<<i);
        target[cur]++;
    }

    for(int i=1;i<(1<<X);i++){
        if(attack[i]){
            dp[i] = i;
        }
        else{
            for(int j=0;j<X;j++) if(i&(1<<j)){
                dp[i] |= dp[i^(1<<j)];
            }
        }
    }

    for(int i=0;i<(1<<X);i++){
        attack[i] = (dp[i]==i);
    }

    for(int i=1;i<=C;i++) ans[i] = 'x';

    for(int i=0;i<(1<<X);i++) targetsum[i] = target[i];
    for(int i=0;i<X;i++) for(int j=0;j<(1<<X);j++) if(j&(1<<i))
        targetsum[j] += targetsum[j^(1<<i)];

    for(int i=0;i<(1<<X);i++) if(attack[i]){
        int cur = C;
        int nonattack = ((1<<X)-1)^i;
        cur -= targetsum[nonattack];
        ans[cur] = 'o';
    }

    printf("%s",ans+1);
    return 0;
}

Compilation message

judge.cpp: In function 'int main()':
judge.cpp:19:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&X);
     ~~~~~^~~~~~~~~
judge.cpp:20:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&D);
     ~~~~~^~~~~~~~~
judge.cpp:23:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",buff);
         ~~~~~^~~~~~~~~~~
judge.cpp:29:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&C);
     ~~~~~^~~~~~~~~
judge.cpp:31:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s",buff);
         ~~~~~^~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 7 ms 960 KB Output is correct
5 Correct 5 ms 992 KB Output is correct
6 Correct 7 ms 992 KB Output is correct
7 Correct 6 ms 992 KB Output is correct
8 Correct 5 ms 992 KB Output is correct
9 Correct 5 ms 992 KB Output is correct

Subtask #2
39.0 / 39.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 7 ms 960 KB Output is correct
5 Correct 5 ms 992 KB Output is correct
6 Correct 7 ms 992 KB Output is correct
7 Correct 6 ms 992 KB Output is correct
8 Correct 5 ms 992 KB Output is correct
9 Correct 5 ms 992 KB Output is correct
10 Correct 57 ms 1536 KB Output is correct
11 Correct 64 ms 1536 KB Output is correct
12 Correct 11 ms 1536 KB Output is correct
13 Correct 6 ms 1536 KB Output is correct
14 Correct 90 ms 1536 KB Output is correct
15 Correct 119 ms 2072 KB Output is correct
16 Correct 212 ms 2072 KB Output is correct
17 Correct 222 ms 2180 KB Output is correct

Subtask #3
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 460 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 7 ms 960 KB Output is correct
5 Correct 5 ms 992 KB Output is correct
6 Correct 7 ms 992 KB Output is correct
7 Correct 6 ms 992 KB Output is correct
8 Correct 5 ms 992 KB Output is correct
9 Correct 5 ms 992 KB Output is correct
10 Correct 57 ms 1536 KB Output is correct
11 Correct 64 ms 1536 KB Output is correct
12 Correct 11 ms 1536 KB Output is correct
13 Correct 6 ms 1536 KB Output is correct
14 Correct 90 ms 1536 KB Output is correct
15 Correct 119 ms 2072 KB Output is correct
16 Correct 212 ms 2072 KB Output is correct
17 Correct 222 ms 2180 KB Output is correct
18 Correct 174 ms 5680 KB Output is correct
19 Correct 140 ms 7816 KB Output is correct
20 Correct 305 ms 18928 KB Output is correct
21 Correct 263 ms 18928 KB Output is correct
22 Correct 510 ms 19092 KB Output is correct
23 Correct 460 ms 19092 KB Output is correct