Submission #494012

#	Time	Username	Problem	Language	Result	Execution time	Memory
494012		TeaTime	Robots (IOI13_robots)	C++17	90 / 100	3074 ms	27992 KiB

robots

        #include "robots.h"
        #include <iostream>
        #include <string>
        #include <algorithm>
        #include <vector>
        #include <set>
        #include <map>
         
        using namespace std;
         
        typedef long long ll;
        typedef long double ld;
         
        #define fastInp cin.tie(0); cout.tie(0); ios_base::sync_with_stdio(0);
         
        int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
            ll mx = 1e6 + 100;
            int l = 0, r = mx;
            while (r - l > 1) {
                int mid = (l + r) / 2;
                
                vector<pair<int, int>> vec;
                vector<int> skip(T);
                for (int i = 0; i < T; i++) vec.push_back({ W[i], S[i] });
         
                map<int, int> st;
                vector<ll> svd;
                for (int i = 0; i < A; i++) svd.push_back(X[i]);
                sort(svd.rbegin(), svd.rend());
         
                for (int i = 0; i < B; i++) {
                    st[Y[i]] += mid;
                }
         
                sort(vec.rbegin(), vec.rend());
         
                for (int i = 0; i < T; i++) {
                    if (st.upper_bound(vec[i].second) != st.end()) {
                        ll x = (*st.upper_bound(vec[i].second)).first;
                        st[x]--;
                        skip[i] = 1;
                        if (st[x] == 0) st.erase(x);
                    }
                }
         
                ll pt = 0, pt2 = 0;
                bool f = 1;
                for (int i = 0; i < T; i++) {
                    if (skip[i]) continue;
         
                    if (svd.size() > pt && svd[pt] > vec[i].first) {
                        pt2++;
                        if (pt2 == mid) {
                            pt2 = 0;
                            pt++;
                        }
                    } else {
                        f = 0;
                        break;
                    }
                }
         
                if (f) {
                    r = mid;
                } else {
                    l = mid;
                }
            }
            
         
            if (r == mx) {
                return -1;
            } else {
                return r;
            }
        }

Compilation message (stderr)

robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:51:36: warning: comparison of integer expressions of different signedness: 'std::vector<long long int>::size_type' {aka 'long unsigned int'} and 'll' {aka 'long long int'} [-Wsign-compare]
   51 |                     if (svd.size() > pt && svd[pt] > vec[i].first) {
      |                         ~~~~~~~~~~~^~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 25 / 25
• Subtask 4: 37 / 37
• Subtask 5: 0 / 10