Submission #1482395

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Source Code Expand

#include<cstdio>
#include<cstring>
#include<algorithm>
#include<vector>
using namespace std;
typedef pair<int,int> P;

const int maxn = 309;
const int MOD = 1000000007;
int f[maxn][maxn][maxn];
vector<P> q[maxn];
int n, m, l, r, x, p, ans;

bool check(int r, int R, int G, int B){
	int l, x, cnt;
	for (int i=q[r].size()-1; i>=0; i--){
		l = q[r][i].first; x = q[r][i].second;
		cnt = (l <= R);
		cnt += (l <= G);
		cnt += (l <= B);
		if (cnt != x) return false;
	}
	return true;
}

int main(){
	scanf("%d%d", &n, &m);
	for (int i=1; i<=m; i++){
		scanf("%d%d%d", &l, &r, &x);
		q[r].push_back(make_pair(l, x));
	}
	f[0][0][0] = 1;
	for (int i=0; i<=n; i++)
		for (int j=0; j<=n; j++)
			for (int k=0; k<=n; k++){
				p = max(i, max(j, k));
				if (!check(p, i, j, k)) continue;
				if (p == n) ans = (ans + f[i][j][k]) % MOD;
				f[p+1][j][k] = (f[p+1][j][k] + f[i][j][k]) % MOD;
				f[i][p+1][k] = (f[i][p+1][k] + f[i][j][k]) % MOD;
				f[i][j][p+1] = (f[i][j][p+1] + f[i][j][k]) % MOD;
			}
	printf("%d\n", ans);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:23: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d", &n, &m);
                       ^
./Main.cpp:29:30: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d", &l, &r, &x);
                              ^

Judge Result