Submission #91711

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
91711	2018-12-29 12:17:14	Retro3014	Aliens (IOI07_aliens)	C++17	100 / 100	4 ms	504 KiB

aliens

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#include <iostream>
#include <algorithm>
#include <vector>
#include <string>
#include <set>
#include <map>
using namespace std;
typedef long long ll;
int N;
struct P{
    ll x, y;
};
P ans;
P st;
struct SQ{
    P lu, rd;
    P mid;
    void cmid(){
        mid.x=(lu.x+rd.x)/2;
        mid.y=(lu.y+rd.y)/2;
    }
};
vector<P> v(1);
string str;
set<pair<ll, ll>> s;
map<pair<ll, ll>, bool> mp;
char c[100];
bool chk(ll x, ll y){
    if(x<1 || x>N || y<1 || y>N)    return true;
 
 
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Compilation message (stderr)

aliens.cpp: In function 'int main()':
aliens.cpp:179:12: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(i<v.size()){
           ~^~~~~~~~~
aliens.cpp: In function 'bool examine(ll, ll)':
aliens.cpp:39:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", c);
         ~~~~~^~~~~~~~~
aliens.cpp: In function 'int main()':
aliens.cpp:51:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%lld%lld", &N, &st.x, &st.y);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10