Submission #1059580

#	Time	Username	Problem	Language	Result	Execution time	Memory
1059580		KasymK	Miners (IOI07_miners)	C++17	45 / 100	1576 ms	808 KiB

miners

#include "bits/stdc++.h"
using namespace std;
#define ff first
#define ss second	
#define all(v) v.begin(), v.end()
#define ll long long
#define pb push_back
#define pii pair<int, int>
#define wr puts("----------------")
template<class T>bool umin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool umax(T& a,T b){if(a<b){a=b;return 1;}return 0;}

int get(string v){
    int n = (int)v.size();
    int sm = 0;
    for(int i = 0; i < n; ++i){
        int ok = 0, ok1 = 0, ok2 = 0;
        for(int j = i-2; j <= i; ++j){
            if(j < 0)
                continue;
            if(v[j] == 'M')
                ok = 1;
            else if(v[j] == 'B')
                ok1 = 1;
            else
                ok2 = 1;
        }
        sm += ok+ok1+ok2;
    }
    return sm;
}

int main(){
    int n;
    scanf("%d", &n);
    string s;
    cin >> s;
    int answer = 0;
    for(int mk = 0; mk < (1<<n); ++mk){
        string t = "", t1 = "";
        for(int i = 0; i < n; ++i){
            if(mk>>i&1)
                t += s[i];
            else
                t1 += s[i];
        }
        int coal = get(t)+get(t1);
        umax(answer, coal);
    }
    printf("%d\n", answer);
    return 0;
}

Compilation message (stderr)

miners.cpp: In function 'int main()':
miners.cpp:35:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   35 |     scanf("%d", &n);
      |     ~~~~~^~~~~~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 9 / 9
• Subtask 3: 9 / 9
• Subtask 4: 9 / 9
• Subtask 5: 9 / 9
• Subtask 6: 0 / 7
• Subtask 7: 0 / 8
• Subtask 8: 0 / 8
• Subtask 9: 0 / 8
• Subtask 10: 0 / 8
• Subtask 11: 0 / 8
• Subtask 12: 0 / 8