Submission #399252

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
399252	2021-05-05T13:33:24 Z	fvogel499	Crocodile's Underground City (IOI11_crocodile)	C++14	Compilation error	0 ms	0 KB

crocodile

#include <iostream>
#include <vector>
#include <queue>
#include <algorithm>

using namespace std;

#define pii pair<int, int>
#define siz 100000/1000
#define inf 10e17
// #define int long long

int dist [siz];
int secondDist [siz];
bool proc [siz];

struct Compare {
    bool operator()(int a, int b) {
        return (secondDist[a] > secondDist[b]);
    }
};

int travel_plan(int nbNodes, int nbEdges, int* corridors [2], int* travelTime, int nbExits, int* exits) {
    vector<vector<pii>> graph(nbNodes);
    for (int i = 0; i < nbEdges; i++) {
        graph[corridors[i][0]].push_back(pii(corridors[i][1], travelTime[i]));
        graph[corridors[i][1]].push_back(pii(corridors[i][0], travelTime[i]));
    }

    for (int i = 0; i < nbNodes; i++) {
        dist[i] = inf;
        secondDist[i] = inf;
        proc[i] = false;
    }
    priority_queue<int, vector<int>, Compare> q;
    for (int i = 0; i < nbExits; i++) {
        q.push(exits[i]);
        dist[exits[i]] = 0;
        secondDist[exits[i]] = 0;
    }
    while (!q.empty()) {
        int curNode = q.top();
        q.pop();
        if (proc[curNode]) continue;
        proc[curNode] = true;
        for (pii newEdge : graph[curNode]) {
            int newNode = newEdge.first;
            int newWeight = newEdge.second;
            int newDist = secondDist[curNode]+newWeight;
            if (proc[newNode] or newDist > secondDist[newNode]) continue;
            if (newDist <= dist[newNode]) {
                secondDist[newNode] = dist[newNode];
                dist[newNode] = newDist;
            }
            else if (newDist <= secondDist[newNode]) {
                secondDist[newNode] = newDist;
            }
            else {
                cerr << "ISSUE-1";
            }
            q.push(newNode);
        }
    }

    int maxDist = 0;
    for (int i = 0; i < nbNodes; i++) {
        maxDist = max(maxDist, secondDist[i]);
    }

    return maxDist;
}

// int32_t main() {
//     int nbNodes, nbEdges;
//     cin >> nbNodes >> nbEdges; // simul
//     vector<vector<int>> corridors(nbEdges, vector<int>(2));
//     for (int i = 0; i < nbEdges; i++) cin >> corridors[i][0] >> corridors[i][1]; // simul
//     vector<int> travelTime(nbEdges);
//     for (int i = 0; i < nbEdges; i++) cin >> travelTime[i]; // simul
//     int nbExits;
//     cin >> nbExits;
//     vector<int> exits(nbExits);
//     for (int i = 0; i < nbExits; i++) cin >> exits[i];
//     cout << travel_plan(nbNodes, nbEdges, corridors, travelTime, nbExits, exits);
// }

Compilation message

crocodile.cpp: In function 'int travel_plan(int, int, int**, int*, int, int*)':
crocodile.cpp:10:13: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   10 | #define inf 10e17
      |             ^~~~~
crocodile.cpp:31:19: note: in expansion of macro 'inf'
   31 |         dist[i] = inf;
      |                   ^~~
crocodile.cpp:10:13: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   10 | #define inf 10e17
      |             ^~~~~
crocodile.cpp:32:25: note: in expansion of macro 'inf'
   32 |         secondDist[i] = inf;
      |                         ^~~
/tmp/ccx3gqdy.o: In function `main':
grader.cpp:(.text.startup+0x32): undefined reference to `travel_plan(int, int, int (*) [2], int*, int, int*)'
collect2: error: ld returned 1 exit status