bootfall.cpp:1:31: warning: extra tokens at end of #include directive
1 | #include <bits/stdc++.h>using namespace std;/* written on phone :)))))*/const int N = 505;long long dp[N*N];int ans[N*N];void add (int x) { for (int i = N*N-x-1; i >= 0; i--) { dp[i+x] += dp[i]; }}void del (int x) { for (int i = x; i < N*N; i++) { dp[i] -= dp[i-x]; }}int main (){ dp[0] = 1; int n; cin >> n; vector <int> a (n); int sum = 0; for (int i = 0; i < n; i++) { cin >> a[i]; sum += a[i]; add(a[i]); } if (sum & 1) { cout << 0; return 0; } if (!dp[sum >> 1]) { cout << 0; return 0; } int cnt = 0; for (int i = 0; i < n; i++) { del(a[i]); sum-=a[i]; for (int j = sum&1; j <= N*N; j += 2) { int need = ((sum+j)>>1)-j; if (need >= 0 && dp[need] > 0) { ans[j]++; } } add(a[i]); sum+=a[i]; } for (int i = 0; i < N*N;i++) { if (ans[i] == n) cnt++; } cout << cnt << endl; for (int i = 0; i < N*N;i++) { if (ans[i] == n) cout << i << " "; } return 0;}
| ^~~~~~~~~
bootfall.cpp:1:10: fatal error: bits/stdc++.h>usin: No such file or directory
1 | #include <bits/stdc++.h>using namespace std;/* written on phone :)))))*/const int N = 505;long long dp[N*N];int ans[N*N];void add (int x) { for (int i = N*N-x-1; i >= 0; i--) { dp[i+x] += dp[i]; }}void del (int x) { for (int i = x; i < N*N; i++) { dp[i] -= dp[i-x]; }}int main (){ dp[0] = 1; int n; cin >> n; vector <int> a (n); int sum = 0; for (int i = 0; i < n; i++) { cin >> a[i]; sum += a[i]; add(a[i]); } if (sum & 1) { cout << 0; return 0; } if (!dp[sum >> 1]) { cout << 0; return 0; } int cnt = 0; for (int i = 0; i < n; i++) { del(a[i]); sum-=a[i]; for (int j = sum&1; j <= N*N; j += 2) { int need = ((sum+j)>>1)-j; if (need >= 0 && dp[need] > 0) { ans[j]++; } } add(a[i]); sum+=a[i]; } for (int i = 0; i < N*N;i++) { if (ans[i] == n) cnt++; } cout << cnt << endl; for (int i = 0; i < N*N;i++) { if (ans[i] == n) cout << i << " "; } return 0;}
| ^~~~~~~~~~~~~~~~~~~~
compilation terminated.