Submission #1445302

---

Source Code Expand

#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define mp make_pair
#define forn(i, n) for (int i = 0; i < (int)(n); ++i)
typedef long long LL;
typedef pair<int, int> PII;

int n, m;
int a[300][300];
int pos[300];
int cnt[300] = {};
bool del[300] = {};
int ans;

int main() {
    scanf("%d%d", &n, &m);
    forn(i, n) forn(j, m) scanf("%d", a[i] + j), --a[i][j];
    ans = 0;
    forn(i, n) {
        pos[i] = 0;
        ans = max(ans, ++cnt[a[i][0]]);
    }
    forn(_, m - 1) {
        int ind = 0;
        forn(i, m) if (cnt[i] > cnt[ind]) {
            ind = i;
        }
        del[ind] = true;
        forn(i, n) while (del[a[i][pos[i]]]) {
            --cnt[a[i][pos[i]]];
            ++pos[i];
            ++cnt[a[i][pos[i]]];
        }
        int cur = 0;
        forn(i, m) cur = max(cur, cnt[i]);
        ans = min(ans, cur);
    }
    cout << ans << endl;
    return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:19:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &m);
                          ^
./Main.cpp:20:59: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     forn(i, n) forn(j, m) scanf("%d", a[i] + j), --a[i][j];
                                                           ^

Judge Result