Submission #548195

#	Time	Username	Problem	Language	Result	Execution time	Memory
548195		krit3379	Calvinball championship (CEOI15_teams)	C++17	0 / 100	4 ms	596 KiB

teams

#include<bits/stdc++.h>
using namespace std;
#define N 105

long long a[N],p[N][N],ans=1,mod=1e9+7;

int main(){
    int n,i,j,k;
    scanf("%d",&n);
    for(i=1;i<=n;i++)scanf("%lld",&a[i]);
    for(i=1;i<=n;i++)p[i][n+1]=1;
    for(i=n;i>0;i--)for(j=1;j<=n;j++)for(k=1;k<=j+1;k++)p[j][i]=(p[j][i]+p[k][i+1])%mod;
    for(i=1;i<=n;i++)ans=(ans+p[a[i]-1][i+1])%mod;
    printf("%lld",ans);
    return 0;
}

Compilation message (stderr)

teams.cpp: In function 'int main()':
teams.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |     scanf("%d",&n);
      |     ~~~~~^~~~~~~~~
teams.cpp:10:27: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |     for(i=1;i<=n;i++)scanf("%lld",&a[i]);
      |                      ~~~~~^~~~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 0 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
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• Subtask 10: 0 / 10