Submission #415903

# Submission time Handle Problem Language Result Execution time Memory
415903 2021-06-01T16:57:23 Z Theo830 Art Class (IOI13_artclass) C++17
0 / 100
270 ms 4372 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll INF = 1e9+7;
ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Deltix Round, Spring 2021 (open for everyone, rated, Div. 1 + Div. 2)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_int_distribution<ll> distr;
ll rnd(ll a, ll b){return distr(rng)%(b-a+1)+a;}
#include "artclass.h"
/*
#ifndef __ARTCLASS_H__
#define __ARTCLASS_H__

#ifdef __cplusplus
extern "C" {
#endif

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]);

#ifdef __cplusplus
}
#endif

#endif
#include <stdio.h>
static int DIM[2];
static int R[500][500];
static int G[500][500];
static int B[500][500];

int main() {
    FILE *in = fopen("artclass.txt", "r");
    if(in == NULL) {
        puts("Failed to open input file (artclass.txt).");
        return 0;
    }

    if(fscanf(in, "%d%d", DIM, DIM+1) != 2) {
        printf("Line 1: H, W must be integers\n");
        return 0;
    }
    if(DIM[0] < 100 || 500 < DIM[0]) {
        printf("Line 1: 100 <= H <= 500\n");
        return 0;
    }
    if(DIM[1] < 100 || 500 < DIM[1]) {
        printf("Line 1: 100 <= W <= 500\n");
        return 0;
    }
    for(int i = 0; i< DIM[0]; i++) {
       for(int j = 0; j < DIM[1]; j++) {
           if(fscanf(in, "%d%d%d", &R[i][j], &G[i][j], &B[i][j]) != 3) {
               printf("Line %d: R[i][j], G[i][j], B[i][j] must be integers", i*DIM[1]+j+2, i, j);
               return 0;
           }
           if(R[i][j] < 0 || 255 < R[i][j]) {
               printf("Line %d: 0 <= R[%d][%d] <= 255", i*DIM[1]+j+2, i, j);
               return 0;
           }
           if(G[i][j] < 0 || 255 < G[i][j]) {
               printf("Line %d: 0 <= G[%d][%d] <= 255", i*DIM[1]+j+2, i, j);
               return 0;
           }
           if(B[i][j] < 0 || 255 < B[i][j]) {
               printf("Line %d: 0 <= B[%d][%d] <= 255", i*DIM[1]+j+2, i, j);
               return 0;
           }
       }
    }

    printf("%d\n", style(DIM[0], DIM[1], R, G, B));
    return 0;
}
*/
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
    ll n = H,m = W;
    ll posa = (n * m + 3) / 4;
    ll ans = 1;
    f(i,0,n){
        f(j,0,m){
            ll maxi = max({abs(R[i][j] - G[i][j]),abs(R[i][j] - B[i][j]),abs(G[i][j] - B[i][j])});
            if(maxi <= 30){
                posa--;
            }
        }
    }
    if(posa <= 0){
        ans = 2;
    }
    return ans;
}

# Verdict Execution time Memory Grader output
1 Incorrect 135 ms 4292 KB Output isn't correct
2 Incorrect 46 ms 4348 KB Output isn't correct
3 Correct 47 ms 3592 KB Output is correct
4 Incorrect 48 ms 3640 KB Output isn't correct
5 Incorrect 85 ms 4292 KB Output isn't correct
6 Incorrect 45 ms 4272 KB Output isn't correct
7 Incorrect 81 ms 4164 KB Output isn't correct
8 Incorrect 39 ms 4372 KB Output isn't correct
9 Incorrect 50 ms 3780 KB Output isn't correct
10 Correct 70 ms 4160 KB Output is correct
11 Incorrect 35 ms 2852 KB Output isn't correct
12 Incorrect 53 ms 4372 KB Output isn't correct
13 Incorrect 45 ms 3484 KB Output isn't correct
14 Incorrect 51 ms 3816 KB Output isn't correct
15 Incorrect 14 ms 1300 KB Output isn't correct
16 Incorrect 50 ms 3652 KB Output isn't correct
17 Incorrect 201 ms 3480 KB Output isn't correct
18 Incorrect 55 ms 4368 KB Output isn't correct
19 Correct 75 ms 4152 KB Output is correct
20 Incorrect 54 ms 4292 KB Output isn't correct
21 Incorrect 57 ms 3976 KB Output isn't correct
22 Incorrect 41 ms 4288 KB Output isn't correct
23 Incorrect 41 ms 4184 KB Output isn't correct
24 Incorrect 106 ms 3808 KB Output isn't correct
25 Incorrect 75 ms 3780 KB Output isn't correct
26 Incorrect 45 ms 4292 KB Output isn't correct
27 Incorrect 31 ms 2708 KB Output isn't correct
28 Incorrect 42 ms 4308 KB Output isn't correct
29 Correct 46 ms 3652 KB Output is correct
30 Incorrect 67 ms 4040 KB Output isn't correct
31 Incorrect 39 ms 3776 KB Output isn't correct
32 Correct 45 ms 3468 KB Output is correct
33 Correct 86 ms 3960 KB Output is correct
34 Incorrect 26 ms 2464 KB Output isn't correct
35 Incorrect 70 ms 4264 KB Output isn't correct
36 Incorrect 59 ms 3780 KB Output isn't correct
37 Incorrect 41 ms 4364 KB Output isn't correct
38 Incorrect 71 ms 4276 KB Output isn't correct
39 Incorrect 69 ms 3696 KB Output isn't correct
40 Incorrect 83 ms 4036 KB Output isn't correct
41 Incorrect 69 ms 3652 KB Output isn't correct
42 Correct 42 ms 3176 KB Output is correct
43 Incorrect 61 ms 4096 KB Output isn't correct
44 Incorrect 42 ms 3252 KB Output isn't correct
45 Incorrect 48 ms 3772 KB Output isn't correct
46 Incorrect 65 ms 4280 KB Output isn't correct
47 Incorrect 50 ms 4272 KB Output isn't correct
48 Correct 45 ms 3524 KB Output is correct
49 Incorrect 58 ms 3736 KB Output isn't correct
50 Incorrect 43 ms 3140 KB Output isn't correct
51 Incorrect 48 ms 4268 KB Output isn't correct
52 Incorrect 39 ms 4164 KB Output isn't correct
53 Incorrect 37 ms 4316 KB Output isn't correct
54 Incorrect 51 ms 4356 KB Output isn't correct
55 Incorrect 46 ms 3620 KB Output isn't correct
56 Incorrect 38 ms 2532 KB Output isn't correct
57 Correct 54 ms 3784 KB Output is correct
58 Incorrect 81 ms 4032 KB Output isn't correct
59 Incorrect 57 ms 4232 KB Output isn't correct
60 Incorrect 39 ms 3160 KB Output isn't correct
61 Incorrect 57 ms 4168 KB Output isn't correct
62 Incorrect 270 ms 2968 KB Output isn't correct
63 Incorrect 69 ms 4296 KB Output isn't correct
64 Incorrect 51 ms 4192 KB Output isn't correct
65 Incorrect 52 ms 4368 KB Output isn't correct
66 Incorrect 85 ms 4164 KB Output isn't correct
67 Incorrect 55 ms 4296 KB Output isn't correct
68 Incorrect 55 ms 3616 KB Output isn't correct
69 Incorrect 77 ms 3932 KB Output isn't correct
70 Incorrect 98 ms 3788 KB Output isn't correct
71 Incorrect 56 ms 4328 KB Output isn't correct
72 Incorrect 60 ms 3800 KB Output isn't correct
73 Incorrect 50 ms 4256 KB Output isn't correct
74 Incorrect 56 ms 3696 KB Output isn't correct
75 Correct 68 ms 3564 KB Output is correct
76 Incorrect 37 ms 2464 KB Output isn't correct
77 Correct 56 ms 3492 KB Output is correct
78 Correct 63 ms 4212 KB Output is correct
79 Incorrect 74 ms 3816 KB Output isn't correct
80 Correct 95 ms 3656 KB Output is correct
81 Incorrect 21 ms 3652 KB Output isn't correct
82 Incorrect 70 ms 4148 KB Output isn't correct
83 Incorrect 46 ms 3736 KB Output isn't correct
84 Incorrect 58 ms 3908 KB Output isn't correct
85 Incorrect 75 ms 4292 KB Output isn't correct
86 Incorrect 40 ms 2496 KB Output isn't correct
87 Incorrect 48 ms 4284 KB Output isn't correct
88 Incorrect 48 ms 4304 KB Output isn't correct
89 Incorrect 45 ms 3268 KB Output isn't correct
90 Correct 238 ms 4152 KB Output is correct
91 Incorrect 54 ms 3920 KB Output isn't correct
92 Incorrect 54 ms 3736 KB Output isn't correct
93 Incorrect 264 ms 4292 KB Output isn't correct
94 Incorrect 51 ms 4300 KB Output isn't correct
95 Incorrect 58 ms 4328 KB Output isn't correct
96 Incorrect 50 ms 3704 KB Output isn't correct
97 Incorrect 56 ms 4284 KB Output isn't correct
98 Incorrect 52 ms 3556 KB Output isn't correct
99 Incorrect 48 ms 4164 KB Output isn't correct
100 Correct 56 ms 3840 KB Output is correct
101 Incorrect 34 ms 2936 KB Output isn't correct
102 Correct 70 ms 3556 KB Output is correct