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Submission #411903

# Submission time Handle Problem Language Result Execution time Memory
411903 2021-05-26T08:19:42 Z 조영욱(#7630) Semafor (COI20_semafor) C++17
18 / 100
 90 ms 24740 KB 
#include <bits/stdc++.h>
using namespace std;

long long n,k;
int m,x;
int bit[10]={10,2,9,7,18,21,12,3,29,23};
long long dp[1501][1024];
const int mod=1e9+7;
int sbit;

long long ans(int ind,int bt) {
    if (ind==0) {
        if (bt==sbit) {
            return 1;
        }
        return 0;
    }
    if (dp[ind][bt]!=-1) {
        return dp[ind][bt];
    }
    if (ind%k==0) {
        int flag=0;
        if (m==1) {
            for(int i=0;i<10;i++) {
                if (bt==bit[i]) {
                    flag=2;
                }
            }
        }
        else {
            for(int i=0;i<10;i++) {
                if (bt/32==bit[i]) {
                    flag++;
                }
                if (bt%32==bit[i]) {
                    flag++;
                }
            }
        }
        if (flag!=2) {
            dp[ind][bt]=0;
            return 0;
        }
    }
    long long ret=0;
    for(int i=0;i<5*m;i++) {
        ret+=ans(ind-1,bt^(1<<i));
        ret%=mod;
    }
    return dp[ind][bt]=ret;
}

int main(void) {
    scanf("%d %lld %lld %d",&m,&n,&k,&x);
    memset(dp,-1,sizeof(dp));
    if (m==1) {
        sbit=bit[x];
    }
    else {
        sbit=bit[x/10]*32+bit[x%10];
    }
    if (m==1) {
        for(int i=0;i<10;i++) {
            printf("%lld\n",ans(n,bit[i]));
        }
    }
    else {
        for(int i=0;i<10;i++) {
            for(int j=0;j<10;j++) {
                printf("%lld\n",ans(n,bit[i]*32+bit[j]));
            }
        }
    }
}

Compilation message

semafor.cpp: In function 'int main()':
semafor.cpp:54:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |     scanf("%d %lld %lld %d",&m,&n,&k,&x);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 12296 KB Output is correct
2 Correct 6 ms 12236 KB Output is correct
3 Correct 6 ms 12236 KB Output is correct
4 Correct 6 ms 12328 KB Output is correct
5 Correct 6 ms 12236 KB Output is correct
6 Correct 6 ms 12324 KB Output is correct
7 Correct 6 ms 12336 KB Output is correct
8 Correct 6 ms 12236 KB Output is correct
9 Correct 6 ms 12236 KB Output is correct
10 Correct 6 ms 12236 KB Output is correct

Subtask #2
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 12296 KB Output is correct
2 Correct 6 ms 12236 KB Output is correct
3 Correct 6 ms 12236 KB Output is correct
4 Correct 6 ms 12328 KB Output is correct
5 Correct 6 ms 12236 KB Output is correct
6 Correct 6 ms 12324 KB Output is correct
7 Correct 6 ms 12336 KB Output is correct
8 Correct 6 ms 12236 KB Output is correct
9 Correct 6 ms 12236 KB Output is correct
10 Correct 6 ms 12236 KB Output is correct
11 Runtime error 18 ms 24728 KB Execution killed with signal 11
12 Halted 0 ms 0 KB -

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12312 KB Output is correct
2 Correct 12 ms 12284 KB Output is correct
3 Correct 63 ms 12376 KB Output is correct
4 Correct 79 ms 12392 KB Output is correct
5 Correct 74 ms 12364 KB Output is correct
6 Correct 79 ms 12404 KB Output is correct
7 Correct 90 ms 12420 KB Output is correct
8 Correct 89 ms 12364 KB Output is correct
9 Correct 68 ms 12400 KB Output is correct

Subtask #4
0 / 12.0

# Verdict Execution time Memory Grader output
1 Runtime error 20 ms 24740 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #5
0 / 15.0

# Verdict Execution time Memory Grader output
1 Runtime error 20 ms 24740 KB Execution killed with signal 11
2 Halted 0 ms 0 KB -

Subtask #6
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 12312 KB Output is correct
2 Correct 12 ms 12284 KB Output is correct
3 Correct 63 ms 12376 KB Output is correct
4 Correct 79 ms 12392 KB Output is correct
5 Correct 74 ms 12364 KB Output is correct
6 Correct 79 ms 12404 KB Output is correct
7 Correct 90 ms 12420 KB Output is correct
8 Correct 89 ms 12364 KB Output is correct
9 Correct 68 ms 12400 KB Output is correct
10 Runtime error 20 ms 24740 KB Execution killed with signal 11
11 Halted 0 ms 0 KB -