Submission #54615129

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Source Code Expand

#include <bits/stdc++.h> 
using namespace std;
#define ll long long
#define db double 
#define re register
#define pb(x) push_back(x)
#define F(i,a,b) for(re ll i = a;i <= b;i++)
#define D(i,a,b) for(re ll i = a;i >= b;i--)
const int N = 2e5+10;
const ll inf = 1e17,mod = 998244353;

ll read(){
	ll x = 0,f = 1;char c = getchar();
	for(;c < '0' || c > '9';c = getchar())if(c == '-')f = -1;
	for(;c >= '0' && c <= '9';c = getchar())x = (x<<1) + (x<<3) + c-'0';
	return x * f;
}

ll n,m;
ll ksm(ll x,ll y,ll p){
	ll ans = 1;
	while(y){
		if(y & 1)ans = (ans * x) % p;
		x = (x * x) % p,y >>= 1;
	}return ans;
}
ll a[30],sum,ans;
ll in[N] = {1,1},inv[N] = {1,1};
ll C(ll n,ll m){return in[n] * inv[m] % mod * inv[n-m] % mod;}
ll f[30][1010];
void work(){
	F(i,2,30000)in[i] = in[i-1] * i % mod,inv[i] = ksm(in[i],mod-2,mod);
	n = read();
	F(i,1,26)a[i] = read();
	f[0][0] = 1;
	F(i,1,26)
		F(j,0,n)
			F(k,0,a[i])if(j+k <= n)f[i][j+k] = (f[i][j+k] + f[i-1][j] * C(j+k,k) % mod) % mod;
	ll ans = 0;
	F(i,1,min(n,1000ll))(ans += f[26][i]) %= mod;
	printf("%lld\n",ans);
}
int main(){
	ll t = 1;
	while(t--)work();
	
	return cerr<<clock()<<"ms"<<endl,0;
	
}

Submission Info

Compile Error

Main.cpp: In function ‘void work()’:
Main.cpp:32:11: warning: ISO C++17 does not allow ‘register’ storage class specifier [-Wregister]
   32 |         F(i,2,30000)in[i] = in[i-1] * i % mod,inv[i] = ksm(in[i],mod-2,mod);
      |           ^
Main.cpp:7:28: note: in definition of macro ‘F’
    7 | #define F(i,a,b) for(re ll i = a;i <= b;i++)
      |                            ^
Main.cpp:34:11: warning: ISO C++17 does not allow ‘register’ storage class specifier [-Wregister]
   34 |         F(i,1,26)a[i] = read();
      |           ^
Main.cpp:7:28: note: in definition of macro ‘F’
    7 | #define F(i,a,b) for(re ll i = a;i <= b;i++)
      |                            ^
Main.cpp:36:11: warning: ISO C++17 does not allow ‘register’ storage class specifier [-Wregister]
   36 |         F(i,1,26)
      |           ^
Main.cpp:7:28: note: in definition of macro ‘F’
    7 | #define F(i,a,b) for(re ll i = a;i <= b;i++)
      |                            ^
Main.cpp:37:19: warning: ISO C++17 does not allow ‘register’ storage class specifier [-Wregister]
   37 |                 F(j,0,n)
      |                   ^
Main.cpp:7:28: note: in definition of macro ‘F’
    7 | #define F(i,a,b) for(re ll i = a;i <= b;i++)
      |                            ^
Main.cpp:38:27: warning: ISO C++17 does not allow ‘register’ storage class specifier [-Wregister]
   38 |                         F(k,0,a[i])if(j+k <= n)f[i][j+k] = (f[i][j+k] + f[i-1][j] * C(j+k,k) % mod) % mod;
      |                           ^
Main.cpp:7:28: note: in definition of macro ‘F’
    7 | #define F(i,a,b) for(re ll i = a;i <= b;i++)
      |                            ^
Main.cpp:40:11: warning: ISO C++17 does not allow ‘register’ storage class specifier [-Wregister]
   40 |         F(i,1,min(n,1000ll))(ans += f[26][i]) %= mod;
      |           ^
Main.cpp:7:28: note: in definition of macro ‘F’
    7 | #define F(i,a,b) for(re ll i = a;i <= b;i++)
      |                            ^

Judge Result