Submission #2196504

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Source Code Expand

#include <cstdio>
int N, L, pt, t, x, a[100009]; long long b;
void push() {
	for (int i = 0; i < 2000; i++) {
		if (a[i] > 0) a[i] = 0;
	}
}
int main() {
	scanf("%d %d", &N, &L);
	for (int i = 0; i < N; i++) {
		scanf("%d %d", &t, &x);
		if (pt != t) push(), pt = t;
		b += x;
		for (int j = 0; j < x; j++) a[j]--;
		for (int j = x; j < 2000; j++) a[j]++;
	}
	push();
	for (int i = 0; i < 2000; i++) b += a[i];
	printf("%lld\n", b);
	return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:9:24: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &N, &L);
                        ^
./Main.cpp:11:25: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d %d", &t, &x);
                         ^

Judge Result