# |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
423718 |
2021-06-11T11:44:24 Z |
ignaciocanta |
Poi (IOI09_poi) |
C++14 |
|
367 ms |
15988 KB |
#include <bits/stdc++.h>
using namespace std;
//#include <ext/pb_ds/assoc_container.hpp>
//using namespace __gnu_pbds;
//template<class T> using Tree = tree<T,null_type,less<T>,rb_tree_tag,tree_order_statistics_node_update>;
using tint = long long;
using ld = long double;
#define FOR(i,a,b) for (int i = (a); i < (b); ++i)
#define F0R(i,a) FOR(i,0,a)
#define ROF(i,a,b) for (int i = (b)-1; i >= (a); --i)
#define R0F(i,a) ROF(i,0,a)
#define trav(a,x) for (auto& a: x)
using pi = pair<int,int>;
using pl = pair<tint,tint>;
using vi = vector<int>;
using vpi = vector<pi>;
using vpl = vector<pl>;
using vvi = vector<vi>;
using vl = vector<tint>;
using vb = vector<bool>;
#define pb push_back
#define pf push_front
#define rsz resize
#define all(x) begin(x), end(x)
#define rall(x) x.rbegin(), x.rend()
#define sz(x) (int)(x).size()
#define ins insert
#define f first
#define s second
#define mp make_pair
#define DBG(x) cerr << #x << " = " << x << endl;
const int MOD = 1e9+7;
const int mod = 998244353;
const int MX = 2005;
const tint INF = 1e18;
const int inf = 2e8;
const ld PI = acos(ld(-1));
const ld eps = 1e-5;
const int dx[4] = {1, -1, 0, 0};
const int dy[4] = {0, 0, 1, -1};
template<class T> void remDup(vector<T> &v){
sort(all(v)); v.erase(unique(all(v)),end(v));
}
template<class T> bool ckmin(T& a, const T& b) {
return b < a ? a = b, 1 : 0;
}
template<class T> bool ckmax(T& a, const T& b) {
return a < b ? a = b, 1 : 0;
}
bool valid(int x, int y, int n, int m){
return (0<=x && x<n && 0<=y && y<m);
}
int cdiv(int a, int b) { return a/b+((a^b)>0&&a%b); } //redondea p arriba
int fdiv(int a, int b) { return a/b-((a^b)<0&&a%b); } //redondea p abajo
void NACHO(string name = ""){
ios_base::sync_with_stdio(0); cin.tie(0);
if(sz(name)){
freopen((name+".in").c_str(), "r", stdin);
freopen((name+".out").c_str(), "w", stdout);
}
}
int a[MX][MX];
int quan[MX];
struct Contestant{
int id, pts, quan;
bool operator<(const Contestant& o)const{
if(pts == o.pts){
if(quan == o.quan) return id < o.id;
return quan > o.quan;
}
return pts > o.pts;
}
};
int main(){
NACHO();
int n, t, p; cin >> n >> t >> p;
--p;
F0R(i, n){
F0R(j, t){
cin >> a[i][j];
if(a[i][j] == 1) ++quan[j];
}
}
vector<Contestant> c (n);
F0R(i, n){
int tot = 0;
int q = 0;
F0R(j, t){
if(a[i][j] == 1) tot += n-quan[j], ++q;
}
c[i] = {i, tot, q};
}
sort(all(c));
int points, pos;
F0R(i, n){
if(c[i].id == p){
points = c[i].pts;
pos = i+1;
}
}
cout << points << " " << pos << "\n";
}
/*
5 3 2
0 0 1
1 1 0
1 0 0
1 1 0
1 1 0
*/
Compilation message
poi.cpp: In function 'void NACHO(std::string)':
poi.cpp:73:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
73 | freopen((name+".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp:74:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
74 | freopen((name+".out").c_str(), "w", stdout);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
poi.cpp: In function 'int main()':
poi.cpp:119:34: warning: 'pos' may be used uninitialized in this function [-Wmaybe-uninitialized]
119 | cout << points << " " << pos << "\n";
| ^~~~
poi.cpp:119:20: warning: 'points' may be used uninitialized in this function [-Wmaybe-uninitialized]
119 | cout << points << " " << pos << "\n";
| ^~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
332 KB |
Output is correct |
2 |
Correct |
0 ms |
332 KB |
Output is correct |
3 |
Correct |
0 ms |
332 KB |
Output is correct |
4 |
Correct |
1 ms |
332 KB |
Output is correct |
5 |
Correct |
1 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
460 KB |
Output is correct |
7 |
Correct |
1 ms |
588 KB |
Output is correct |
8 |
Correct |
1 ms |
588 KB |
Output is correct |
9 |
Correct |
2 ms |
716 KB |
Output is correct |
10 |
Correct |
3 ms |
1228 KB |
Output is correct |
11 |
Correct |
11 ms |
1888 KB |
Output is correct |
12 |
Correct |
17 ms |
3020 KB |
Output is correct |
13 |
Correct |
49 ms |
5424 KB |
Output is correct |
14 |
Correct |
71 ms |
7648 KB |
Output is correct |
15 |
Correct |
129 ms |
9708 KB |
Output is correct |
16 |
Correct |
137 ms |
10436 KB |
Output is correct |
17 |
Correct |
200 ms |
12100 KB |
Output is correct |
18 |
Correct |
241 ms |
13636 KB |
Output is correct |
19 |
Correct |
291 ms |
15988 KB |
Output is correct |
20 |
Correct |
367 ms |
15940 KB |
Output is correct |