Submission #203829

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
203829	2020-02-22 11:53:36	georgerapeanu	Strange Device (APIO19_strange_device)	C++11	100 / 100	864 ms	69352 KiB

strange_device

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#include <cstdio>
#include <vector>
#include <algorithm>
using namespace std;
int n;
long long a,b;
vector<pair<long long,int> > events;
long long gcd(long long a,long long b){
    if(b == 0){
        return a;
    }
    return gcd(b,a % b);
}
int main(){
    scanf("%d %lld %lld",&n,&a,&b);
    a /= gcd(a,b + 1);
    vector<pair<long long,long long> > segm;
    for(int i = 1;i <= n;i++){
        long long l,r;
        scanf("%lld %lld",&l,&r);
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

strange_device.cpp: In function 'int main()':
strange_device.cpp:21:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %lld %lld",&n,&a,&b);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
strange_device.cpp:29:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%lld %lld",&l,&r);
         ~~~~~^~~~~~~~~~~~~~~~~~~

• Subtask 1: 10 / 10
• Subtask 2: 5 / 5
• Subtask 3: 5 / 5
• Subtask 4: 5 / 5
• Subtask 5: 5 / 5
• Subtask 6: 20 / 20
• Subtask 7: 20 / 20
• Subtask 8: 30 / 30