Submission #153034

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
153034	2019-09-11T14:20:51 Z	arnold518	Boat (APIO16_boat)	C++14	Compilation error	0 ms	0 KB

boat

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

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;

const int MAXN = 1000;
const ll MOD = 1e9+7;

int N, S, A[MAXN+10], B[MAXN+10];
vector<int> comp;

ll inv[MAXN+10], bino[MAXN+10][MAXN+10], comb[MAXN+10], f[MAXN+10];
ll dp[MAXN+10][MAXN+10], ans;

int getcomp(int x) { return lower_bound(comp.begin(), comp.end(), x)-comp.begin(); }

ll mypow(ll x, ll y)
{
    if(y==0) return 1;
    if(y%2) return mypow(x, y-1)*x%MOD;
    ll t=mypow(x, y/2);
    return t*t%MOD;
}

int main()
{
    int i, j, k;
    bino[0][0]=1;
    for(i=1; i<=MAXN; i++) for(j=0; j<=i; j++)
    {
        if(j==0 || j==i) bino[i][j]=1;
        else bino[i][j]=(bino[i-1][j]+bino[i-1][j-1])%MOD;
    }

    inv[0]=1;
    for(i=1; i<=MAXN; i++) inv[i]=mypow(i, MOD-2);

    scanf("%d", &N);
    for(i=1; i<=N; i++)
    {
        scanf("%d%d", &A[i], &B[i]); B[i]++;
        comp.push_back(A[i]);
        comp.push_back(B[i]);
    }
    comp.push_back(0);
    sort(comp.begin(), comp.end());
    comp.erase(unique(comp.begin(), comp.end()), comp.end());
    S=comp.size()-2;

    ll a=comp[2]-comp[1];

    memset(comb, 0, sizeof(comb)); memset(f, 0, sizeof(f));
    comb[0]=1;
    for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
    for(j=1; j<=N; j++)
    {
        for(k=1; k<=j; k++)
        {
            f[j]+=comb[k]*bino[j-1][k-1]%MOD;
            f[j]%=MOD;
        }
    }

    int cnt=0;
    for(i=1; i<=N; i++)
    {
        if(!(A[i]<=comp[1] && comp[1]<B[i])) continue;
        cnt++;
        dp[i][1]=f[cnt];
    }
    dp[0][1]=1;

    for(i=2; i<=S; i++)
    {
        dp[0][i]=1;
        a=comp[i+1]-comp[i];

        memset(comb, 0, sizeof(comb)); memset(f, 0, sizeof(f));
        comb[0]=1;
        for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
        for(j=1; j<=N; j++)
        {
            for(k=1; k<=j; k++)
            {
                f[j]+=comb[k]*bino[j-1][k-1]%MOD;
                f[j]%=MOD;
            }
        }

        for(j=1; j<=N; j++)
        {
            if(!(A[j]<=comp[i] && comp[i]<B[j])) { dp[j][i]=dp[j][i-1]; continue; }
            int cnt=1;
            for(k=j-1; k>=0; k--)
            {
                dp[j][i]+=f[cnt]*dp[k][i-1]%MOD;
                dp[j][i]%=MOD;
                if(A[k]<=comp[i] && comp[i]<B[k]) cnt++;
            }
            dp[j][i]+=dp[j][i-1]; dp[j][i]%=MOD;
        }
    }

    //for(i=1; i<=N; i++) { for(j=1; j<=S; j++) printf("%lld ", dp[i][j]-dp[i][j-1]); printf("\n"); }
    for(i=1; i<=N; i++) ans+=dp[i][S], ans%=MOD;
    printf("%lld", ans);
}

Compilation message

boat.cpp: In function 'int main()':
boat.cpp:56:25: error: no matching function for call to 'min(int&, ll&)'
     for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                         ^
In file included from /usr/include/c++/7/bits/char_traits.h:39:0,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from boat.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:195:5: note: candidate: template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)
     min(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:195:5: note:   template argument deduction/substitution failed:
boat.cpp:56:25: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll {aka long long int}')
     for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                         ^
In file included from /usr/include/c++/7/bits/char_traits.h:39:0,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from boat.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:243:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:243:5: note:   template argument deduction/substitution failed:
boat.cpp:56:25: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll {aka long long int}')
     for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                         ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from boat.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3450:5: note: candidate: template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)
     min(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
boat.cpp:56:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
     for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                         ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from boat.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3456:5: note: candidate: template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3456:5: note:   template argument deduction/substitution failed:
boat.cpp:56:25: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
     for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                         ^
boat.cpp:82:29: error: no matching function for call to 'min(int&, ll&)'
         for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                             ^
In file included from /usr/include/c++/7/bits/char_traits.h:39:0,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from boat.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:195:5: note: candidate: template<class _Tp> constexpr const _Tp& std::min(const _Tp&, const _Tp&)
     min(const _Tp& __a, const _Tp& __b)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:195:5: note:   template argument deduction/substitution failed:
boat.cpp:82:29: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll {aka long long int}')
         for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                             ^
In file included from /usr/include/c++/7/bits/char_traits.h:39:0,
                 from /usr/include/c++/7/ios:40,
                 from /usr/include/c++/7/istream:38,
                 from /usr/include/c++/7/sstream:38,
                 from /usr/include/c++/7/complex:45,
                 from /usr/include/c++/7/ccomplex:39,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:52,
                 from boat.cpp:1:
/usr/include/c++/7/bits/stl_algobase.h:243:5: note: candidate: template<class _Tp, class _Compare> constexpr const _Tp& std::min(const _Tp&, const _Tp&, _Compare)
     min(const _Tp& __a, const _Tp& __b, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algobase.h:243:5: note:   template argument deduction/substitution failed:
boat.cpp:82:29: note:   deduced conflicting types for parameter 'const _Tp' ('int' and 'll {aka long long int}')
         for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                             ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from boat.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3450:5: note: candidate: template<class _Tp> constexpr _Tp std::min(std::initializer_list<_Tp>)
     min(initializer_list<_Tp> __l)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3450:5: note:   template argument deduction/substitution failed:
boat.cpp:82:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
         for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                             ^
In file included from /usr/include/c++/7/algorithm:62:0,
                 from /usr/include/x86_64-linux-gnu/c++/7/bits/stdc++.h:65,
                 from boat.cpp:1:
/usr/include/c++/7/bits/stl_algo.h:3456:5: note: candidate: template<class _Tp, class _Compare> constexpr _Tp std::min(std::initializer_list<_Tp>, _Compare)
     min(initializer_list<_Tp> __l, _Compare __comp)
     ^~~
/usr/include/c++/7/bits/stl_algo.h:3456:5: note:   template argument deduction/substitution failed:
boat.cpp:82:29: note:   mismatched types 'std::initializer_list<_Tp>' and 'int'
         for(j=1; j<=min(N, a); j++) comb[j]=comb[j-1]*(a-j+1)%MOD*inv[j]%MOD;
                             ^
boat.cpp:40:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d", &N);
     ~~~~~^~~~~~~~~~
boat.cpp:43:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d", &A[i], &B[i]); B[i]++;
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~