Submission #1344788

#	Time	Username	Problem	Language	Result	Execution time	Memory
1344788		lanterner	Crocodile's Underground City (IOI11_crocodile)	C++20	Compilation error	0 ms	0 KiB

crocodile

#include <bits/stdc++.h>
#include "crocodile.h"
#define ll long long
#define ii pair<ll, ll>
#define ff first
#define ss second
#define pb(x) push_back(x)
#define fto(i, a, b, x) for (int i = a; i <= b; i += x)

using namespace std;
const ll maxN = 1e6+5;
const ll INF = 1e16;

int n, m, k, p[maxN], in_q[maxN];
vector<ii> dothi[maxN];
ii mn[maxN];

void bfs () {
    queue<int> q;
    fto (i, 1, n, 1) mn[i] = {INF, INF}, in_q[i] = 0;
    fto (i, 1, k, 1) {
        mn[p[i]] = {0, 0};
        q.push(p[i]);
        in_q[p[i]] = 1;
    }
    while (q.size()) {
        int u = q.front();
        q.pop();
        in_q[u] = 0;
        for (ii x : dothi[u]) {
            int v = x.ff; ll w = x.ss;
            ll val = mn[u].ss + w;
            int check = 1;
            if (val < mn[v].ff) {
                mn[v].ss = mn[v].ff;
                mn[v].ff = val;
                if (mn[v].ss != INF) check = 0;
            }
            else if (val < mn[v].ss) {
                mn[v].ss = val;
                check = 0;
            }
            if (!check && !in_q[v]) {
                q.push(v);
                in_q[v] = 1;
            }
        }
    }
}

int travel_plan(int N, int M, int R[][2], int L[], int K, int P[]) {
    n = N; m = M; k = K;
    fto (i, 1, n, 1) dothi[i].clear();
    fto (i, 1, m, 1) {
        int u = R[i-1][0] + 1, v = R[i-1][1] + 1, w = L[i-1];
        dothi[u].pb({v, w});
        dothi[v].pb({u, w});
    }
    fto (i, 1, k, 1) p[i] = P[i-1] + 1;
    bfs();
    return (int)mn[1].ss;
}

Compilation message (stderr)

crocodile.cpp:56:27: error: macro "pb" passed 2 arguments, but takes just 1
   56 |         dothi[u].pb({v, w});
      |                           ^
crocodile.cpp:7: note: macro "pb" defined here
    7 | #define pb(x) push_back(x)
      | 
crocodile.cpp:57:27: error: macro "pb" passed 2 arguments, but takes just 1
   57 |         dothi[v].pb({u, w});
      |                           ^
crocodile.cpp:7: note: macro "pb" defined here
    7 | #define pb(x) push_back(x)
      | 
crocodile.cpp: In function 'int travel_plan(int, int, int (*)[2], int*, int, int*)':
crocodile.cpp:56:18: error: 'class std::vector<std::pair<long long int, long long int> >' has no member named 'pb'
   56 |         dothi[u].pb({v, w});
      |                  ^~
crocodile.cpp:57:18: error: 'class std::vector<std::pair<long long int, long long int> >' has no member named 'pb'
   57 |         dothi[v].pb({u, w});
      |                  ^~