Submission #847889

#	Time	Username	Problem	Language	Result	Execution time	Memory
847889		TB_	Relativnost (COCI15_relativnost)	C++17	56 / 140	4054 ms	17880 KiB

relativnost

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

#undef _GLIBCXX_DEBUG                // disable run-time bound checking, etc
#pragma GCC optimize("Ofast,inline") // Ofast = O3,fast-math,allow-store-data-races,no-protect-parens
#pragma GCC optimize ("unroll-loops")

// #pragma GCC target("bmi,bmi2,lzcnt,popcnt")                      // bit manipulation
// #pragma GCC target("movbe")                                      // byte swap
// #pragma GCC target("aes,pclmul,rdrnd")                           // encryption
// #pragma GCC target("avx,avx2,f16c,fma,sse3,ssse3,sse4.1,sse4.2") // SIMD

// #include <bits/extc++.h>
// using namespace __gnu_pbds;
// template<class T>using ordered_set = tree<T, null_type, less<T>, rb_tree_tag,tree_order_statistics_node_update>;
// template<class T>using ordered_multiset = tree<T, null_type, less_equal<T>, rb_tree_tag,tree_order_statistics_node_update>;

#define ll long long
#define INF (ll)1e9+7
#define fo(i, n) for(ll i=0;i<((ll)n);i++)
#define deb(x) cout << #x << " = " << x << endl;
#define deb2(x, y) cout << #x << " = " << x << ", " << #y << " = " << y << endl
#define pb push_back
#define mp make_pair
#define F first
#define S second
#define LSOne(S) ((S) & (-S))
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
inline int readint(){ int v = 0; char c; while((c = getchar()) != EOF && c != ' ' && c != '\n'){ v *= 10; v += c - '0'; } return v; }
inline int readintsigned() { int v = 0; int sign = 1; char c = getchar(); if (c == '-') { sign = -1; } else { v += c - '0'; } while ((c = getchar()) != EOF && c != ' ' && c != '\n') { v *= 10; v += c - '0'; } return v * sign; }
inline string readstring() { string s; char c; while ((c = getchar()) != EOF && c != '\n' && c != ' ') { s.push_back(c); } return s; }
template <class result_t=std::chrono::milliseconds,class clock_t=std::chrono::steady_clock,class duration_t = std::chrono::milliseconds>
auto since(std::chrono::time_point<clock_t, duration_t> const& start){return std::chrono::duration_cast<result_t>(clock_t::now() - start);}
typedef pair<int, int> pii;
typedef pair<ll, ll> pl;
typedef vector<int> vi;
typedef vector<ll> vl;
typedef vector<pii> vpii;
typedef vector<pl> vpl;
typedef vector<vi> vvi;
typedef vector<vl> vvl;
typedef vector<vpii> vvpii;
typedef vector<vpl> vvpl;

int n, c;
int memo[100001][21];
vi inBatch, newOrder;
vvi memo2;

vpl vals;

ll dp(int pos, int k){
    if(k<0)k++;
    if(pos == n) return !k;
    int &ans = memo[pos][k];
    if(ans != -1) return ans;
    ans = 0;
    return ans = ((inBatch[pos]?dp(pos+1, k):dp(pos+1, k-1)*vals[pos].F+dp(pos+1, k)*vals[pos].S)%10007);
}

ll dp2(int pos, int k){
    if(k<0)k++;
    if(pos == newOrder.size()) return memo[0][k];
    int &ans = memo2[pos][k];
    if(ans != -1) return ans;
    return ans = (dp2(pos+1, k-1)*vals[newOrder[pos]].F+dp2(pos+1, k)*vals[newOrder[pos]].S)%10007;
}

int main() {
    // cout << fixed << setprecision(20);
    // auto start = std::chrono::steady_clock::now(); // since(start).count()
    cin.tie(0)->sync_with_stdio(0);

    cin >> n >> c;
    int newpos, val1, val2, q;
    fo(i, n){
        cin >> val1;
        vals.pb({val1, 0});
    }
    fo(i, n)cin >> vals[i].S;
    cin >> q;
    inBatch.assign(n, 0);
    vpl rem;
    vl remPos;
    while(q--){
        cin >> newpos >> val1 >> val2;
        inBatch[--newpos] = 1;
        rem.pb(mp(val1, val2));
        remPos.pb(newpos);
        if(q%((int)sqrt(n)) == 0){
            memset(memo, -1, sizeof(memo));
            fo(i, c+1) dp(0, i);
            fo(i, n) if(inBatch[i]) newOrder.pb(i);
            fo(i, rem.size()){
                memo2.assign(newOrder.size(), vi(c+1, -1));
                vals[remPos[i]] = rem[i];
                cout << dp2(0, c) << "\n";
            }

            inBatch.assign(n, 0);
            rem.clear();
            remPos.clear();
            newOrder.clear();
        }
    }

    exit(0);
}

Compilation message (stderr)

relativnost.cpp: In function 'long long int dp2(int, int)':
relativnost.cpp:64:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   64 |     if(pos == newOrder.size()) return memo[0][k];
      |        ~~~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 56 / 140