Submission #42935

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
42935	2018-03-06 10:58:23	Extazy	Schools (IZhO13_school)	C++14	100 / 100	478 ms	34524 KiB

school

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#include <bits/stdc++.h>
#define endl '\n'
using namespace std;
const int N = 300007;
int n,m,s;
pair < int, int > a[N];
long long curr,ans;
bool cmp(pair < int, int > a, pair < int, int > b) {
    return a.first==b.first ? a.second>b.second : a.first<b.first;
}
struct cmpm {
    bool operator () (const int &x, const int &y) const {
        return a[x].second-a[x].first==a[y].second-a[y].first ? x<y : a[x].second-a[x].first>a[y].second-a[y].first;
    }
};
struct cmps {
    bool operator () (const int &x, const int &y) const {
        return a[x].second==a[y].second ? x<y : a[x].second<a[y].second;
    }
};
set < int, cmpm > setm;
set < int, cmps > sets;
 
 
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Compilation message (stderr)

school.cpp: In function 'int main()':
school.cpp:36:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &n, &m, &s);
                                  ^
school.cpp:38:50: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d", &a[i].first, &a[i].second);
                                                  ^

• Subtask 1: 100 / 100