Submission #1847567

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Source Code Expand

#include<cstdio>

int a[200000], b[200000];

int main() {
	int n, q;
	scanf("%d %d", &n, &q);
	int i;
	long long suma=0;
	for (i = 0; i < 2 * n; i++) {
		scanf("%d", &a[i]);
		suma += a[i];
	}
	for (i = 0; i < 2 * n; i++) {
		scanf("%d", &b[i]);
	}
	int p, x, y;
	int l, r;
	long long sum;
	for (i = 0; i < q; i++) {
		scanf("%d %d %d", &p, &x, &y);
		suma = suma + (long long)x - (long long)a[p - 1];
		a[p - 1] = x;
		b[p - 1] = y;
		l = 1;
		r = 2 * n - 2;
		sum = suma;
		while (true) {
			while (l<2*n&&a[l] >= b[l]) {
				l++;
			}
			while (r>=0&&a[r] >= b[r]) {
				r--;
			}
			if (l >= r) {
				break;
			}
			sum = sum - a[l] + b[l] - a[r] + b[r];
			l++;
			r--;
		}
		printf("%d\n", sum);
	}
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:42:21: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=]
   printf("%d\n", sum);
                     ^
./Main.cpp:7:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &q);
                        ^
./Main.cpp:11:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
                     ^
./Main.cpp:15:21: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &b[i]);
                     ^
./Main.cpp:21:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d %d", &p, &x, &y);
                                ^

Judge Result