Submission #396941

#	Time	Username	Problem	Language	Result	Execution time	Memory
396941		Andyvanh1	Boxes with souvenirs (IOI15_boxes)	C++14	Compilation error	0 ms	0 KiB

boxes

#include <iostream>
#include <algorithm>
#include <vector>
#include <set>
#include <stack>
#include <queue>
#include <map>
#include <math.h>

using namespace std;

#define pb push_back
#define INF INT32_MAX
#define vt vector


typedef vt<int> vi;
typedef pair<int,int> pii;
typedef tuple<int,int,int> tiii;
typedef long long ll;


int n;


#define MOD  1000000007
vt<vi> adjlist(1);
vt<char> node(1);
vt<int> endd(1);
vt<int> par(1);
vt<int> depth(1);
vt<bool> mark;
int id;
int cur = 0;

void build(string str){
    int cur = 0;
    int at = 0;

    while(at!=str.length()){

        bool bol = false;
        for(auto& e: adjlist[cur]){
            if(e==par[cur])continue;
            if(node[e]==str[at]){
                at++;
                    cur = e;

                bol = true;
                break;
            }
        }
        if(!bol)break;

    }
    if(at==str.length()){
        endd[cur]++;
        return;
    }
    at--;
    while(at!=str.length()-1){
        adjlist.pb(vi(0));
        adjlist[cur].pb(id);
        adjlist[id].pb(cur);
        depth.pb(at+1);
        par.pb(cur);
        node.pb(str[at+1]);
        endd.pb(0);
        cur = id;
        at++;id++;

    }
    endd[id-1]++;
}
vt<bool> visited;
void dfs(int noder){
    cur++;
    visited[noder] = true;
    if(endd[noder]){
        for(int i = 0; i < endd[noder]; i++)
        cout<<"P"<<'\n';
    }
    int scrib = -1;
for(auto& e: adjlist[noder]){
    if(mark[e]&&!visited[e]){
        scrib = e;
        continue;
    }
    if(!visited[e]){
        cout<<string(1,node[e])<<'\n';
        dfs(e);
    }

}
if(scrib!=-1){
    cout<<string(1,node[scrib])<<'\n';
    dfs(scrib);
}
if(cur!=adjlist.size()) {
    cout << "-" << '\n';
}
}

void specbuild(string str){
    mark.resize(adjlist.size());
    for(int i = 0; i < adjlist.size(); i++){
        mark[i] = false;
    }
    int cur = 0;
    int at = 0;

    while(at!=str.length()){

        bool bol = false;
        for(auto& e: adjlist[cur]){
            if(e==par[cur])continue;
            if(node[e]==str[at]){
                at++;
                cur = e;
                mark[cur] = true;

                bol = true;
                break;
            }
        }
        if(!bol)break;

    }
}

int dp[1000005][4];

ll delivery(int n, int k, int l, vi arr){
    if(k==1){
        ll ans = 0;
        for(int i = 0; i < n; i++){
            ans+=2*min(arr[i],l-arr[i]);
        }
        return ans;
    }else if(k==n){
        if(arr[n-1]<=l/2){
            return arr[n-1]*2;
        }else if(arr[0]>l/2){
            return 2* (l-arr[0]);
        }else{
            return l;
        }
    }
    return 0;
}

void solve2(){
   int n, k, l;
   cin>>n>>k>>l;
   vi arr(n);
   for(int i = 0; i < n; i++){
       cin>>arr[i];
   }

   cout<<delivery(n,k,l,arr);




}

Compilation message (stderr)

boxes.cpp: In function 'void build(std::string)':
boxes.cpp:37:9: warning: declaration of 'cur' shadows a global declaration [-Wshadow]
   37 |     int cur = 0;
      |         ^~~
boxes.cpp:34:5: note: shadowed declaration is here
   34 | int cur = 0;
      |     ^~~
boxes.cpp:40:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |     while(at!=str.length()){
      |           ~~^~~~~~~~~~~~~~
boxes.cpp:56:10: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   56 |     if(at==str.length()){
      |        ~~^~~~~~~~~~~~~~
boxes.cpp:61:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |     while(at!=str.length()-1){
      |           ~~^~~~~~~~~~~~~~~~
boxes.cpp: In function 'void dfs(int)':
boxes.cpp:99:7: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   99 | if(cur!=adjlist.size()) {
      |    ~~~^~~~~~~~~~~~~~~~
boxes.cpp: In function 'void specbuild(std::string)':
boxes.cpp:106:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  106 |     for(int i = 0; i < adjlist.size(); i++){
      |                    ~~^~~~~~~~~~~~~~~~
boxes.cpp:109:9: warning: declaration of 'cur' shadows a global declaration [-Wshadow]
  109 |     int cur = 0;
      |         ^~~
boxes.cpp:34:5: note: shadowed declaration is here
   34 | int cur = 0;
      |     ^~~
boxes.cpp:112:13: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
  112 |     while(at!=str.length()){
      |           ~~^~~~~~~~~~~~~~
boxes.cpp: In function 'll delivery(int, int, int, vi)':
boxes.cpp:133:40: warning: declaration of 'n' shadows a global declaration [-Wshadow]
  133 | ll delivery(int n, int k, int l, vi arr){
      |                                        ^
boxes.cpp:23:5: note: shadowed declaration is here
   23 | int n;
      |     ^
boxes.cpp: In function 'void solve2()':
boxes.cpp:153:8: warning: declaration of 'n' shadows a global declaration [-Wshadow]
  153 |    int n, k, l;
      |        ^
boxes.cpp:23:5: note: shadowed declaration is here
   23 | int n;
      |     ^
/tmp/cch8cxnG.o: In function `main':
grader.c:(.text.startup+0x1cb): undefined reference to `delivery(int, int, int, int*)'
collect2: error: ld returned 1 exit status