Submission #404702

#	Time	Username	Problem	Language	Result	Execution time	Memory
404702		ly20	Robots (IOI13_robots)	C++17	Compilation error	0 ms	0 KiB

robots

#include "robots.h"
#include <bits/stdc++.h>

using namespace std;

const int MAXN = 1123456;
//x -> w
//y -> s
int x[MAXN], y[MAXN], w[MAXN], s[MAXN];
int va[MAXN], vb[MAXN];
int n, a, b;
int marc[MAXN];
bool cmp1(int a, int b) {
    return w[a] < w[b];
}
bool cmp2(int a, int b) {
    return s[a] < s[b];
}
bool teste(int t) {
    priority_queue < pair <int, int> > s;
    int ts = 0;
    int cur = 0;
    for(int i = 0; i < a; i++) {
        while(w[va[cur]] < x[i]) {
            s.push_back(make_pair(s[va[cur]], va[cur]));
        }
        int cs = 0;
        while(cs < t) {
            if(s.empty()) break;
            pair <int, int> temp = s.front();
            s.pop_back();
            cs++;
            marc[temp.second] = 1;
        }
    }
    priority_queue <pair <int, int> > s2;
    for(int i = 0; i < n; i++) {
        if(marc[i] == 0) s2.insert(make_pair(-s[i], i));
    }
    for(int i = b - 1; i >= 0; i--) {
        int cs = 0;
        while(cs < t) {
            if(s2.empty()) break;
            pair <int, int> temp = s.front();
            if(-temp.first >= y[i]) break;
            s.pop_back();
            cs++;
        }
    }
    return ts == n;
}
int putaway(int A, int B, int T, int X[], int Y[], int W[], int S[]) {
    n = T;
    a = A; b = B;
    for(int i = 0; i < T; i++) {
        va[i] = i;
        vb[i] = i;
        w[i] = W[i]; s[i] = S[i];
    }
    sort(va, va + n, cmp1);
    sort(vb, vb + n, cmp2);
    for(int i = 0; i < a; i++) x[i] = X[i];
    for(int i = 0; i < b; i++) y[i] = Y[i];
    sort(x, x + a); sort(y, y + b);
    int ini = 1, fim = MAXN;
    while(ini < fim) {
        for(int i = 0; i < t; i++) marc[i] = 0;
        int m = (ini + fim) / 2;
        if(teste(m)) {
            fim = m;
        }
        else ini = m + 1;
    }
    if(ini == MAXN) ini = -1;
    return ini;
}

Compilation message (stderr)

robots.cpp: In function 'bool teste(int)':
robots.cpp:25:15: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'push_back'
   25 |             s.push_back(make_pair(s[va[cur]], va[cur]));
      |               ^~~~~~~~~
robots.cpp:25:36: error: no match for 'operator[]' (operand types are 'std::priority_queue<std::pair<int, int> >' and 'int')
   25 |             s.push_back(make_pair(s[va[cur]], va[cur]));
      |                                    ^
robots.cpp:30:38: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'front'
   30 |             pair <int, int> temp = s.front();
      |                                      ^~~~~
robots.cpp:31:15: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'pop_back'
   31 |             s.pop_back();
      |               ^~~~~~~~
robots.cpp:38:29: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'insert'
   38 |         if(marc[i] == 0) s2.insert(make_pair(-s[i], i));
      |                             ^~~~~~
robots.cpp:38:48: error: no match for 'operator[]' (operand types are 'std::priority_queue<std::pair<int, int> >' and 'int')
   38 |         if(marc[i] == 0) s2.insert(make_pair(-s[i], i));
      |                                                ^
robots.cpp:44:38: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'front'
   44 |             pair <int, int> temp = s.front();
      |                                      ^~~~~
robots.cpp:46:15: error: 'class std::priority_queue<std::pair<int, int> >' has no member named 'pop_back'
   46 |             s.pop_back();
      |               ^~~~~~~~
robots.cpp: In function 'int putaway(int, int, int, int*, int*, int*, int*)':
robots.cpp:67:28: error: 't' was not declared in this scope
   67 |         for(int i = 0; i < t; i++) marc[i] = 0;
      |                            ^