Submission #434503

#	Time	Username	Problem	Language	Result	Execution time	Memory
434503		medmdg	Toy Train (IOI17_train)	C++14	0 / 100	6 ms	740 KiB

train

#include<bits/stdc++.h>
#include "train.h"
#define ll  int
using namespace std;
vector<int> who_wins(vector<int> a, vector<int> r, vector<int> u, vector<int> v) {
        vector<ll> win;
        for(int i=0;i<a.size();i++){
            if(u[i]==v[i]){
                if(r[i]*a[i]){
                        while(win.size()<i)
                            win.push_back(1);
                }
                if(!(a[i]+r[i])){
                while(win.size()<i)
                        win.push_back(0);
                }
            }
        }
        while(win.size()<a.size()){
            win.push_back(1-a[a.size()-1]);
        }
        return win;
}

Compilation message (stderr)

train.cpp: In function 'std::vector<int> who_wins(std::vector<int>, std::vector<int>, std::vector<int>, std::vector<int>)':
train.cpp:7:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
    7 |         for(int i=0;i<a.size();i++){
      |                     ~^~~~~~~~~
train.cpp:9:24: warning: '*' in boolean context, suggest '&&' instead [-Wint-in-bool-context]
    9 |                 if(r[i]*a[i]){
train.cpp:10:41: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   10 |                         while(win.size()<i)
      |                               ~~~~~~~~~~^~
train.cpp:14:33: warning: comparison of integer expressions of different signedness: 'std::vector<int>::size_type' {aka 'long unsigned int'} and 'int' [-Wsign-compare]
   14 |                 while(win.size()<i)
      |                       ~~~~~~~~~~^~

• Subtask 1: 0 / 5
• Subtask 2: 0 / 10
• Subtask 3: 0 / 11
• Subtask 4: 0 / 11
• Subtask 5: 0 / 12
• Subtask 6: 0 / 51