Submission #135380

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
135380	2019-07-24 04:31:46	imeimi2000	Tri (CEOI09_tri)	C++17	100 / 100	518 ms	34776 KiB

tri

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#include <iostream>
#include <algorithm>
#include <vector>
#define fs first
#define se second
using namespace std;
typedef long long llong;
typedef pair<int, int> pii;
int cmp(pii a, pii b) {
    llong L = (llong)a.se * b.fs;
    llong R = (llong)a.fs * b.se;
    if (L < R) return -1;
    if (L > R) return 1;
    return 0;
}
pii operator-(pii a, pii b) {
    return pii(a.fs - b.fs, a.se - b.se);
}
int ccw(pii a, pii b) {
    llong ret = (llong)a.fs * b.se - (llong)a.se * b.fs;
    if (ret < 0) return -1;
    if (ret > 0) return 1;
    return 0;
}
int ccw(pii a, pii b, pii c) {
 
 
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• Subtask 1: 100 / 100