Submission #888605

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
888605	2023-12-18 01:21:12	ad_red	Tri (CEOI09_tri)	C++17	100 / 100	505 ms	6484 KiB

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#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i,a,n) for (ll i=a;i<n;i++)
#define per(i,a,n) for (ll i=n-1;i>=a;i--)
#define pb push_back
#define eb emplace_back
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define fi first
#define se second
#define SZ(x) ((ll)(x).size())
typedef vector<ll> VI;
typedef basic_string<int> B;
typedef pair<ll,ll> PII;
// head
  
const ll N=100100;
const ll S=1200;
ll n,m;
  
struct pt {
  ll x,y;
  pt(ll _x=0,ll _y=0) : x(_x),y(_y) {}
}p[N];
ll vp(pt a, pt b) {
  return a.x * b.y - b.x * a.y;
}
 
 
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Compilation message (stderr)

tri.cpp: In function 'int main()':
tri.cpp:57:11: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll*' {aka 'long long int*'} [-Wformat=]
   57 |   scanf("%d%d",&n,&m);
      |          ~^    ~~
      |           |    |
      |           int* ll* {aka long long int*}
      |          %lld
tri.cpp:57:13: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'll*' {aka 'long long int*'} [-Wformat=]
   57 |   scanf("%d%d",&n,&m);
      |            ~^     ~~
      |             |     |
      |             int*  ll* {aka long long int*}
      |            %lld
tri.cpp:59:13: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll*' {aka 'long long int*'} [-Wformat=]
   59 |     scanf("%d%d",&p[i].x,&p[i].y);
      |            ~^    ~~~~~~~
      |             |    |
      |             int* ll* {aka long long int*}
      |            %lld
tri.cpp:59:15: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'll*' {aka 'long long int*'} [-Wformat=]
   59 |     scanf("%d%d",&p[i].x,&p[i].y);
      |              ~^          ~~~~~~~
      |               |          |
      |               int*       ll* {aka long long int*}
      |              %lld
tri.cpp:79:13: warning: format '%d' expects argument of type 'int*', but argument 2 has type 'll*' {aka 'long long int*'} [-Wformat=]
   79 |     scanf("%d%d%d%d",&a.x,&a.y,&b.x,&b.y);
      |            ~^        ~~~~
      |             |        |
      |             int*     ll* {aka long long int*}
      |            %lld
tri.cpp:79:15: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'll*' {aka 'long long int*'} [-Wformat=]
   79 |     scanf("%d%d%d%d",&a.x,&a.y,&b.x,&b.y);
      |              ~^           ~~~~
      |               |           |
      |               int*        ll* {aka long long int*}
      |              %lld
tri.cpp:79:17: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'll*' {aka 'long long int*'} [-Wformat=]
   79 |     scanf("%d%d%d%d",&a.x,&a.y,&b.x,&b.y);
      |                ~^              ~~~~
      |                 |              |
      |                 int*           ll* {aka long long int*}
      |                %lld
tri.cpp:79:19: warning: format '%d' expects argument of type 'int*', but argument 5 has type 'll*' {aka 'long long int*'} [-Wformat=]
   79 |     scanf("%d%d%d%d",&a.x,&a.y,&b.x,&b.y);
      |                  ~^                 ~~~~
      |                   |                 |
      |                   int*              ll* {aka long long int*}
      |                  %lld
tri.cpp:86:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   86 |         ll mid=low+high>>1;
      |                ~~~^~~~~
tri.cpp:99:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   99 |         ll mid=low+high>>1;
      |                ~~~^~~~~
tri.cpp:131:19: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  131 |         ll mid=low+high>>1;
      |                ~~~^~~~~
tri.cpp:57:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   57 |   scanf("%d%d",&n,&m);
      |   ~~~~~^~~~~~~~~~~~~~
tri.cpp:59:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   59 |     scanf("%d%d",&p[i].x,&p[i].y);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
tri.cpp:79:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   79 |     scanf("%d%d%d%d",&a.x,&a.y,&b.x,&b.y);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 100 / 100